75/4575 Pietra, P. (1885-1956). "Ex Libris G. Mantero". Erotic etching, 19,5x13,8 cm., signed "Pietro Pietra" and "11/50" in pencil. - AND 3 other ex libris by the same, 2 etchings and 1 woodengraving, all signed in pencil and tipped onto mount.