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Roman Cabochon Jewel
1st-2nd century AD. An onyx intaglio, blank to both sides for engraving. 1.58 grams, 17mm (1/2"). From a large London collection; formed between 1...
18th-19th century AD. A rectangular pale blue glass intaglio with engraved male bust wearing a helmet. 1.29 grams, 16mm (1/2"). From a large Londo...
Early Jurassic Period, 170 million years BP. Dinosaur foot prints from Hampton County, Massachusetts USA; one side of plate display a pair of Anch...
3rd-7th century AD. A chalcedony intaglio engraved with a bull mounting a cow, plants to the front and between animals, Pahlavi lettering to the t...
9th-10th century AD. A hematite rectangular intaglio engraved with Kufic lettering. 3.91 grams, 15.85mm (1/2"). From an old London collection, for...