Parri Spinelli, ‘Hercules Leaning on His Club [recto]’, ca. 1440, National Gallery of Art, Washington, D.C.
Overall (approximate): 28.1 x 16.2 cm (11 1/16 x 6 3/8 in.)  support: 32.4 x 21.4 cm (12 3/4 x 8 7/16 in.)

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