BY PIERRE MICHEL COLAS, MARKED, VIENNA, CIRCA 1780

Another box by this goldsmith is in The Rosalinde and Arthur Gilbert Collection on loan to the Victoria and Albert Museum, museum number: LOAN: GILBERT. 364-2008. The same maker's mark on a box in the Louvre is illustrated in S Grandjean Catalogue des tabatières, boîtes et étuis des XVIIIe et XIXe siècles du musée du Louvre, Paris, 1981, no. 608, p. 447.