Physical Dimensions: overall (irregular oval): 4.18 x 3.48 cm (1 5/8 x 1 3/8 in.)
gross weight: 26.98 gr (0.059 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.