Souvenir with portrait of Stanislaus II, King of Poland, Józef Kosiński, circa 1770–80

Probably german; souvenir, painting; metalwork-gold and platinum. Date: circa 1770–80. Dimensions: 3 5/8 × 2 1/4 in. (9.2 × 5.7 cm). Medium: gold, ivory, mother-of-pearl. Collection: Metropolitan Museum of Art. Souvenir with portrait of Stanislaus II, King of Poland MET 39144