19th century reverse intaglio crystal brooch of a Bernese Mountain Dog / Berner Sennenhund A 19th century reverse intaglio crystal brooch of a head study of Bernese Mountain Dog / Berner Sennenhund. Set gold mount with beaded detail. Reverse intaglio crystals are commonly and erroneously often called Essex Crystals. A rare and early depiction of the breed in jewellery. English, circa 1880. |