Lot Essay
For other Berlin snuff-boxes made of this rare stone, see Sotheby's, Geneva, 15 May 1986, lot 87, and Sotheby's, London, 27 November 2001, lot 19. A vase made of this stone, from the Peterhof Lapidary Workshop, 1777, is illustrated in G. Komelova, Treasures of Imperial Russia, Catherine the Great, London, 1990, no. 55.