M. C. Escher

M. C. Escher

1898 - 1972

Convex and Concave (Bool 399)

signed in pencil M.C. Escher, inscribed IV and numbered No 42/56 (lower left)

lithograph on Van Gelder wove paper

image: 11 by 13 in. (28 by 33.2 cm.)

sheet: 16½ by 18⅝ in. (42.1 by 47.4 cm.)

Executed in 1955, this impression is number 42 from the edition of 56.