Exceptional English Fireplace with Overmantle

An impressive and rare early 18th century English continued chimneypiece with overmantle in contrasting white and Dove grey marbles, circa 1700-1710.
The lower section of veined dove grey, the frieze with dogleg shaped shoulders edged with egg and dart moldings centered with floral rosettes. The jambs flanked by white marble S shaped consoles decorated with scrolling volutes and acanthus sprays.
The upper section with a later replaced central architectural panel of geometric design, with corners decorated with carved flower heads. This is flanked by bold squat S shaped scrolls carved with decorated volutes and acanthus echoing those below. The whole capped with a grey marble open pediment of inverted v shape decorated with egg and dart and foliate moldings. This supports a campana shaped lidded urn in white marble with rounded gadrooned decoration and acanthus sprays and stands on a rounded sockle and squared base.