XEE4143721 Famous diamonds: Banker Vanlerberghe showing a fake Regent at the beginning of the 19th century. Engraving from 1885 in ??????Les arts et metiers illustres??????by Adolphe BITARD. by Unknown Artist, (19th century); Private Collection; (add.info.: Famous diamonds: Banker Vanlerberghe showing a fake Regent at the beginning of the 19th century. Engraving from 1885 in ??????Les arts et metiers illustres??????by Adolphe BITARD.); Stefano Bianchetti; out of copyright.