Physical Dimensions: overall (diameter): 6.35 cm (2 1/2 in.)
gross weight: 55.93 gr (0.123 lb.)
Provenance: Gustave Dreyfus [1837-1914], Paris; his estate; purchased 1930 by (Duveen Brothers, Inc., London and New York); purchased 1945 by the Samuel H. Kress Foundation, New York; gift 1957 to NGA.