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"Jean Cocteau" by Keystone-France
Located in London, GB
"Jean Cocteau" by Keystone-France Portrait in the 1920s or 1930s of the writer Jean Cocteau in a
Category

1920s Modern Antique Keystone

Materials

Black and White

Dated Red Sandstone Keystone
Located in Grange-Over-Sands, GB
A rare 1825 dated keystone, with the initials M I M. Carved from red lazonby sandstone.
Category

1820s Antique Keystone

Materials

Sandstone

Antique Dated Red Sandstone Keystone
Dated Red Sandstone Keystone
$1,106
H 22.45 in W 19.3 in D 15.75 in
Keystone Broom Corn Advertising Sign
Located in San Francisco, CA
Keystone broom corn supplies metal advertising sign 22.75" x 25.5"
Category

19th Century American Antique Keystone

Materials

Metal

Antique Keystone Broom Corn Advertising Sign
Keystone Broom Corn Advertising Sign
$1,250
H 25.5 in W 22.75 in D 1.75 in
Coade Style Keystone of Democritus
Located in Wormelow, Herefordshire
Coade style Keystone of Democritus. A brilliant keystone of Democritus, an Ancient Greek
Category

Early 19th Century Antique Keystone

Materials

Terracotta

Antique Coade Style Keystone of Democritus
Coade Style Keystone of Democritus
$10,750
H 22.64 in W 11.82 in D 9.85 in
Antique Carved Limestone Keystone of a Queen
Located in Wormelow, Herefordshire
An antique carved limestone keystones of a Queen, salvaged from a period building in East Anglia
Category

Mid-18th Century English Georgian Antique Keystone

Materials

Stone, Limestone, Steel

Antique Carved Limestone Keystone of a Queen
Antique Carved Limestone Keystone of a Queen
$4,666
H 16.93 in W 9.85 in D 7.09 in
19th Century Victorian Marble Fireplace Mantle Keystone
Located in Vero Beach, FL
19th Century Victorian Marble Fireplace Mantle Keystone Delicately carved architectural cartouche
Category

19th Century Antique Keystone

Materials

Carrara Marble

Antique Limestone Keystone of an English King
Located in Wormelow, Herefordshire
An antique carved limestone keystones of an English king, salvaged from a period building in East
Category

Mid-18th Century English Georgian Antique Keystone

Materials

Stone, Limestone, Steel

Antique Limestone Keystone of an English King
Antique Limestone Keystone of an English King
$4,666
H 16.93 in W 9.45 in D 7.09 in
Victorian Portland Stone Keystone Heads, 17th Century
Located in London, GB
A set of Five Victorian Portland Stone Keystone Heads Three depicted as the Green Man, with beards
Category

17th Century Victorian Antique Keystone

Materials

Marble

Antique Victorian Portland Stone Keystone Heads, 17th Century
Victorian Portland Stone Keystone Heads, 17th Century
Price Upon Request
H 20.48 in W 0.4 in D 0.4 in
Large Antique Stoneware Keystone Attributed to Blanchard
By Blanchard
Located in Wormelow, Herefordshire
A very large and unusual antique stoneware keystone attributed to Blanchard (unsigned), circa 1865
Category

Mid-19th Century English Georgian Antique Keystone

Materials

Stoneware

A Coade Keystone of Minerva Dated 1794
Located in Wormelow, Herefordshire
A Coade Keystone of Minerva Dated 1794. Stamped Coade, London, and is dated 1794. Minerva is known
Category

Late 18th Century Antique Keystone

Materials

Coade Stone

A Coade Keystone of Minerva Dated 1794
A Coade Keystone of Minerva Dated 1794
$15,728
H 10.04 in W 7.29 in D 8.08 in
3 Monumental Antique Carved Keystones London Building Facade
Located in Ware, GB
Magnificent Portland stone Keystones, reclaimed from Lower Regents Street, London. The impressive
Category

19th Century British Baroque Antique Keystone

Materials

Stone

3 Monumental Antique Carved Keystones  London Building Facade
3 Monumental Antique Carved Keystones  London Building Facade
$4,839 / item
H 50.79 in W 27.56 in D 0.4 in
Antique Lipscombe & Co Glazed Terracotta Green Man Keystone
Located in Wormelow, Herefordshire
An antique Lipscombe & Co glazed terracotta keystone of a Green Man mask, reclaimed from a British
Category

Late 19th Century English Georgian Antique Keystone

Materials

Terracotta

Antique Renaissance Style Carved Sandstone Corbel or Keystone
Located in St Annes, Lancashire
Wonderful stone carving of a kings face. Probably English. I have dated it at least, 19th century. It is most likely earlier than this. Difficult to be precise. Free UK shipping
Category

Mid-19th Century English Renaissance Antique Keystone

Materials

Sandstone

Antique Neoclassical Carved Marble Mantel Keystone Architectural Element - Pair
Located in Philadelphia, PA
Antique Neoclassical Carved Italian Carrara Marble Mantel Keystone Architectural Elements - a Pair
Category

Early 20th Century Unknown Neoclassical Antique Keystone

Materials

Marble

Continental '19th Century' Porcelain Keystone Shaped Wall Mirror
Located in Queens, NY
Continental, possibly German, '19th centurty' white porcelain keystone shaped wall mirror with
Category

19th Century German Neoclassical Antique Keystone

Materials

Porcelain

Continental '19th Century' Porcelain Keystone Shaped Wall Mirror
Located in Queens, NY
Continental (possibly German 19th century) white porcelain keystone shaped wall mirror with yellow
Category

19th Century German Neoclassical Antique Keystone

Materials

Porcelain

Pennsylvania 1888 Antique Map – The Keystone State, Southeastern Railroads
Located in Langweer, NL
Antique Map of Southeastern Pennsylvania – Rand McNally, circa 1888 This antique map of southeastern Pennsylvania was published by Rand, McNally & Co. around 1888, taken from one of...
Category

Late 19th Century American Antique Keystone

Materials

Paper

Manitoba Antique Railroad Map c.1888 – Keystone Province Cities & Towns
Located in Langweer, NL
Antique Map of Manitoba, Canada – Rand McNally, circa 1888 Description: This antique map of Manitoba was published by Rand, McNally & Co. around 1888. It offers a detailed look at t...
Category

Late 19th Century American Antique Keystone

Materials

Paper

Northeastern Pennsylvania Antique Map c.1888 – Keystone State Cities & Counties
Located in Langweer, NL
Antique Map of Northeastern Pennsylvania – Rand McNally, circa 1888 This antique map of northeastern Pennsylvania was published by Rand, McNally & Co. around 1888. Taken from one of...
Category

Late 19th Century American Antique Keystone

Materials

Paper

Southwestern Pennsylvania Antique Map c.1888 – Keystone State Counties & Cities
Located in Langweer, NL
Antique Map of Southwestern Pennsylvania – Rand McNally, circa 1888 This antique map of southwestern Pennsylvania was published by Rand, McNally & Co. around 1888. It comes from the...
Category

Late 19th Century American Antique Keystone

Materials

Paper

Pennsylvania Antique Map c.1888 – The Keystone State, Northwestern Counties
Located in Langweer, NL
Antique Map of Northwestern Pennsylvania – Rand McNally, circa 1888 This finely detailed antique map of northwestern Pennsylvania was published by Rand, McNally & Co. around 1888. I...
Category

Late 19th Century American Antique Keystone

Materials

Paper

Antique French Carved Keystone Mascaron Building or Garden Ornament, Circa 1850
Located in Dallas, TX
More information coming soon… Originally the keystone for a French architectural item, this highly
Category

Mid-19th Century French Antique Keystone

Materials

Stone

17th Century Spanish Pair of Hand Carved Church Arched Vault Keystones
Located in Marbella, ES
17th century Spanish pair of hand carved church arched vault keystones.
Category

17th Century European Antique Keystone

Materials

Stone

Antique 14k Solid Yellow Gold Waltham Pocket Watch Keystone Hunter Case Monogram
By Waltham
Located in Greer, SC
by Keystone. This pocket watch is circa late 1800's to early 1900's and features a monogram front
Category

Early 20th Century Unknown Antique Keystone

Materials

14k Gold, Yellow Gold

Antique Keystone by Whiting Youth Sterling Silver Fork, Knife & Spoon Boxed Set
By Whiting Manufacturing Company
Located in Philadelphia, PA
A fine boxed youth utensil set. By Whiting. In sterling silver. In the Keystone pattern
Category

Early 20th Century American Aesthetic Movement Antique Keystone

Materials

Sterling Silver

16th Century Spanish Keystone Wedged Where Arches Meet at the Apex of a Vault
Located in Marbella, ES
16th century Spanish round shaped keystone wedged in the ceiling, where arches meet the apex of a
Category

16th Century European Antique Keystone

Materials

Stone

Biedermeier Lyra Secretary Desk, circa 1830
Located in Greding, DE
, quatrefoils, and keystones. The central compartment opens via a concealed mechanism located in the drawer
Category

1830s German Biedermeier Antique Keystone

Materials

Brass

Biedermeier Lyra Secretary Desk, circa 1830
Biedermeier Lyra Secretary Desk, circa 1830
$45,481
H 55.32 in W 31.89 in D 22.05 in
A Large Antique Scottish Victorian Arched Carrara Marble Fireplace Surround.
Located in Edinburgh, GB
splayed keystone to the centre. The wide sturdy jambs hosting the spandrels have deep returns, giving
Category

1870s Scottish Victorian Antique Keystone

Materials

Carrara Marble

English Corner Cabinet of Pine from the Georgian Era
Located in Austin, TX
, featuring crown moulding, a moulded column arch with decoratively-carved keystone, scroll-work foliage and
Category

Early 19th Century English Georgian Antique Keystone

Materials

Metal, Brass

C19th English Victorian Carrara marble fireplace, in the French Style
Located in London, GB
curvaceous shelf with egg and dart mould to the front edge, the frieze with spandrels centred by keystone
Category

Late 19th Century British Victorian Antique Keystone

Materials

Carrara Marble

Victorian 14K Gold Masonic Royal Arch Pendant with Enamel and Engraving
Located in Venice, CA
This 14k gold keystone shaped pendant can be attributed to the Royal Arch Masonry Chapter of the
Category

1890s American Victorian Antique Keystone

Materials

14k Gold, Yellow Gold, Enamel

Seated Woman
Located in Paris, Île-de-France
engineering. Far from an isolated curiosity, Seated Woman emerges as a keystone—clarifying Schubert’s
Category

1920s Modern Antique Keystone

Materials

Ink, Magazine Paper

Seated Woman
$4,189
H 11.74 in W 8.39 in
Early Victorian Statuary Marble Fireplace with Iron Insert
Located in London, GB
An early Victorian Statuary marble fireplace with cast iron insert, c.1850, the central keystone
Category

1850s English Early Victorian Antique Keystone

Materials

Statuary Marble

Early Victorian Statuary Marble Fireplace with Iron Insert
Early Victorian Statuary Marble Fireplace with Iron Insert
$23,161
H 47.64 in W 74.22 in D 14.38 in
A Queen Anne Blackened Sandstone Frame Chimneypiece
Located in London, GB
frieze is centred with a keystone carved in a patera of concentric leaves. Original sandstone insert
Category

Early 18th Century English Queen Anne Antique Keystone

Materials

Sandstone

A Queen Anne Blackened Sandstone Frame Chimneypiece
A Queen Anne Blackened Sandstone Frame Chimneypiece
$16,593
H 49.41 in W 50.79 in D 2.76 in
Antique French Alep Breccia Marble Mantel
Located in Dallas, TX
. This exquisite piece showcases a hand-carved motif adorning the keystone, complemented by elegantly
Category

19th Century French Antique Keystone

Materials

Marble

Antique French Alep Breccia Marble Mantel
Antique French Alep Breccia Marble Mantel
$22,800
H 44 in W 61.5 in D 11.5 in
A Reclaimed 18th Century Style Bolection Stone Fireplace Mantel
Located in London, GB
frieze with plain incised keystone to centre. The C scrolled cushion moulding supporting a wide stepped
Category

Early 20th Century English Georgian Antique Keystone

Materials

Stone

1891 Waltham Ladies Hunting Case Pocket Watch
By American Waltham Watch Co.
Located in Chapel Hill, NC
1891 Waltham Ladies Hunting Case Pocket Watch. 14k yellow gold filled. Case #6590704 by Keystone
Category

1890s American Aesthetic Movement Antique Keystone

Materials

Gold

Edwardian Full Hunting Pocket Watch Circa 1910
By Elgin
Located in ADELAIDE, SA
calibrated. Inner front cover stamped – 4977004 Inner back cover stamped – 4977004 – Keystone – 14k
Category

1910s American Edwardian Antique Keystone

Materials

14k Gold

Architectural Welsh Low Dresser
Located in Greenwich, CT
banks of drawers flanking a central arched door with keystone and compass star inlay, and standing on
Category

Mid-18th Century Welsh Antique Keystone

Materials

Oak

Architectural Welsh Low Dresser
Architectural Welsh Low Dresser
$12,500
H 33 in W 68 in D 23 in
An Early 18th Century George I Irish Kilkenny Marble Frame Chimneypiece
Located in London, GB
With a fluted keystone, flanked by fielded panels to the frieze, on original footblocks. Height 57
Category

Early 18th Century Irish George I Antique Keystone

Materials

Marble

An Early 18th Century George I Irish Irish Kilkenny Marble Frame Chimneypiece
Located in London, GB
With a fluted keystone, flanked by fielded panels to the frieze, on original footblocks. Height
Category

Early 18th Century Irish George I Antique Keystone

Materials

Marble

An Early 18th Century Irish Frame Chimneypiece in Kilkenny Fossil Marble
Located in London, GB
central stylised keystone. Dimensions Height 47½in (121cm) width 52in (132cm) Internal height 42in (107cm
Category

Early 18th Century Irish Antique Keystone

Materials

Marble

Howard Stainless Steel Art Deco Exhibition Back Watch, circa 1920's
By Howard
Located in Long Beach, CA
acquired by the Keystone Watch Case Company. Keystone continued to produce Howard watches under the Howard
Category

1920s American Art Deco Antique Keystone

An Elegant Limestone Queen Anne Period Frame Chimneypiece
Located in London, GB
elegant keystone. Height 51 in (129cm) width 39 in (99cm) Internal height 32 in (81.5cm) width 37 1/2 in
Category

Early 18th Century English Queen Anne Antique Keystone

Materials

Limestone

An Elegant Limestone Queen Anne Period Frame Chimneypiece
An Elegant Limestone Queen Anne Period Frame Chimneypiece
$10,785
H 38.98 in W 50.79 in D 3.35 in
Set of 6 Antique French Louis XVI Dining Chairs
Located in Dallas, TX
with keystone-shaped seatbacks contoured for comfort with dished out corners providing no sharp corners
Category

Early 20th Century French Louis XVI Antique Keystone

Materials

Fabric, Oak

Set of 6 Antique French Louis XVI Dining Chairs
Set of 6 Antique French Louis XVI Dining Chairs
$3,480
H 36 in W 17.5 in D 18.5 in
Bronze okimono sculpture of a catfish or namazu
Located in PARIS, FR
, quite litteraly « keystone»). Sometimes the god can’t keep its concentration and the namazu take
Category

Early 20th Century Japanese Taisho Antique Keystone

Materials

Bronze

Bronze okimono sculpture of a catfish or namazu
Bronze okimono sculpture of a catfish or namazu
$1,795
H 0.99 in W 1.48 in D 4.93 in
An Early Eighteenth Century Carrara Marble Fireplace of Geometric Form
Located in London, GB
An Early 18th Century Carrara Marble Fireplace. The frieze decorated with a central keystone with
Category

Early 18th Century English Georgian Antique Keystone

Materials

Marble, Carrara Marble

Antique Petite French Carved Oak Secretary Writing Desk Table Louis XVI c1890
Located in Shreveport, LA
, each having carved foliate scroll front panels, flanked by carved keystones~ ~Desk top has wide carved
Category

19th Century French Louis XVI Antique Keystone

Materials

Oak

Antique Reclaimed Neo-Gothic Carved Tan Marble Mantel
Located in New York, NY
delicate foliate carvings and topped with a sculpted keystone—perhaps a leafy boss or subtle grotesque
Category

Early 20th Century Gothic Antique Keystone

Materials

Marble

Large White Marble Mortar 16th Century with carved Lateral Mascarons.
Located in Bonita Springs, FL
were typically placed on keystones, arches, fountains, facades or home objects. While they were
Category

16th Century Italian Baroque Antique Keystone

Materials

Marble

Howard 14Kt Solid Gold Open Faced Pocket Watch 1925 Flawless Enamel Dial
By Howard
Located in Long Beach, CA
Company was acquired by the Keystone Watch Case Company. Keystone continued to produce Howard watches
Category

1920s American Art Deco Antique Keystone

Materials

Gold

A Victorian Chimneypiece of Robust Architectural Form in Carrara Marble
Located in London, GB
A late Victorian Carrara marble fireplace with arched moulded opening, headed by a corbel keystone
Category

Late 19th Century English Late Victorian Antique Keystone

Materials

Marble, Carrara Marble

19th-Century Carved Pine Lion’s Head Architectural Fragment, Mounted on Lucite
Located in Atlanta, GA
was likely a corbel, keystone, or decorative architectural mount, possibly adorning a doorway
Category

19th Century American Baroque Antique Keystone

Materials

Lucite, Pine

Howard Stainless Steel Art Deco Exhibition Back Watch, circa 1920's
By Howard
Located in Long Beach, CA
Howard Watch Company was acquired by the Keystone Watch Case Company. Keystone continued to produce
Category

1920s American Art Deco Antique Keystone

Materials

Stainless Steel

Antique Italian Statuary White Marble Baroque Style Fireplace Mantel
Located in London, GB
large figural keystone tablet again in high relief of embracing sculptured winged Putti. All beneath a
Category

Mid-19th Century Italian Baroque Antique Keystone

Materials

Statuary Marble

Antique Victorian Carved Statuary Marble Arched Chimneypiece
Located in Ware, GB
keystone. This very impressive piece can be purchased with its original cast iron insert with brass
Category

19th Century English Victorian Antique Keystone

Materials

Marble

Grand Portoro Marble & Serpentine Marble Fireplace Mantel
Located in London, GB
with crisplycarved Cornish serpentine dentils. Under this, the central keystone, ionic capitals and
Category

1860s British High Victorian Antique Keystone

Materials

Marble

Howard 14Kt. Solid White Gold Art Deco Pocket Watch with Kiln Fired Enamel Dial
By Howard
Located in Long Beach, CA
Company was acquired by the Keystone Watch Case Company. Keystone continued to produce Howard watches
Category

1920s Swiss Art Deco Antique Keystone

Materials

14k Gold

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Antique Keystone For Sale on 1stDibs

At 1stDibs, there are many versions of the ideal antique keystone for your home. Frequently made of stone, metal and limestone, every antique keystone was constructed with great care. You’ve searched high and low for the perfect antique keystone — we have versions that date back to the 18th Century alongside those produced as recently as the 20th Century are available. An antique keystone, designed in the Neoclassical, Victorian or Baroque style, is generally a popular piece of furniture. A well-made antique keystone has long been a part of the offerings for many furniture designers and manufacturers, but those produced by Keystone Manufacturing Company and Keystone Iron & Steel Works are consistently popular.

How Much is a Antique Keystone?

The average selling price for an antique keystone at 1stDibs is $1,600, while they’re typically $450 on the low end and $24,000 for the highest priced.