Physical Dimensions: overall: 20.9 x 15.8 cm (8 1/4 x 6 1/4 in.)
Provenance: Mrs. Edward Dodwell (Countess Giraud, died 1873), Gallweise; by inheritance to her son Count Maximilian Spaur (died 1896), Graz; by inheritance to his daughter Anna Spaur (Countess Heinrich Stürgkh, died 1928), Vienna; by inheritance to her son, Count Barthold Stürgkh (died 1965); by inheritance to Countess Barthold Stürgkh [née Ladislajy Semsey]; purchased 1968 through Dr. Nicholas Karger, New York by (Feilchenfeldt, Zurich); purchased 1969 by (Thos. Agnew & Sons, Ltd., London); purchased 1969 by Mr. and Mrs. Paul Mellon, Upperville, VA; gift to NGA, 1995.