How do I identify Thomas Webb glass?

To identify Thomas Webb glass, flip the item over and look for a maker's marking. Most pieces feature either a sandblasted or acid-etched hallmark. Over the maker's long history, Thomas Webb employed many different markings. Some simply say “Webb,” while others read “Thos Webb” or “Thomas Webb.” You can find images of the markings on trusted online resources and compare them to the marks on your piece to determine if it's a Thomas Webb and approximately when it may have been made. A certified appraiser or knowledgeable antique dealer can also help you identify the items. On 1stDibs, explore a large collection of Thomas Webb glass.