The opera - MC (monogram stamp). LCCN2003655945, Mary Cassatt, 1881

Title: the opera / mc [monogram stamp]. Abstract/medium: 1 print: soft-ground etching and aquatint on laid paper; plate 19. 7 x 29. 6 cm, on sheet 29. 9 x 43 cm. Date: 1881. Collection: Fine prints in the Library of Congress.