Sketch for Apollo in Chariot
(Sketch for Apollo in his Chariot with the Hours )
1917–1921
John Singer Sargent -- American painter 
Museum of Fine Arts, Boston
Graphite pencil and charcoal on paper
22.5 x 30 cm (8 7/8 x 11 13/16 in.)
Museum of Fine Arts, Boston: Sargent Collection. Gift of Miss Emily Sargent and Mrs. Violet Ormond in memory of their brother John Singer Sargent 28.786
Jpg: MFA

(See interactive zoom at the MFA) 

Studies for  Apollo in His Chariot