Pablo Picasso (1881-1973) Winged Bull contemplated by four children. (Vollard Suite, pl. 13). December 1934. Etching. 295 x 233 [500 x 382]. Bloch 229; Baer 444 B c. A very fine and fresh proof on Montval laid paper, one of 50 with large margins, signed in pencil. A few tiny marginal rust spots. Slight trace of oxidation at the edges of the sheet. All margins untrimmed. Provenance : Ambroise Vollard (1866-1939) then H. M. Petiet (1894-1980).