Apollo Killing Coronis. Dimensions: plate: 17.5 x 25 cm (6 7/8 x 9 13/16 in.) sheet: 17.8 x 25.5 cm (7 x 10 1/16 in.). Medium: engraving on laid paper. Museum: National Gallery of Art, Washington DC. Author: after Hendrick Goltzius Workshop of Hendri