The Letter P (converted to an R)

1465–1470

Medium: engraving
Dimensions: sheet: 11.8 × 9.2 cm (4 5/8 × 3 5/8 in.); approximate measurements at widest points of pastiche mount: 16.1 × 12.2 cm (6 5/16 × 4 13/16 in.)
Genre: Print
Museum: National Gallery of Art, Washington, DC, US