Russian Tazza

A rare Russian ormolu mounted rhodonite and nephrite tazza (athénienne). After a design by the Swedish architect I.I. Hallberg (1778-1863) ; probably by the Peterhof Imperial lapidary works.
Ca 1840 - 1850.
Comparanda :
-) Metropolitan Museum New York (Acc. nr. 2019.283.50 - Galerie Kugel)
-) Tsarskoe Selo State Museum, St. Petersburg.
-) Sothebys, 04 December 2019, lot 21. (Result £ 15000)