Ornament with Sirens and Ornament with Genius, Daniel Hopfer

Dimensions: sheet (trimmed to plate mark): 14.8 x 8.8 cm (5 13/16 x 3 7/16 in.). Medium: etching, iron, pen. Collection: National Gallery of Art. Daniel Hopfer, Ornament with Sirens and Ornament with Genius, NGA 57150