Picasso, Pablo. (1881–1973) Signed "Guernica" StampSmall signature ("Picasso") from the important artist, on a 1966 Czechoslovakian stamp commemorating the Spanish Civil War, featuring Picasso's painting Guernica. Text to the stamp reads: "30th Anniversary of the International Brigade in Spain." The stamp, 3 x 1. 25 inches, is mounted neatly within a hand drawn border to a 6 x 3 inch card, with the signature slightly extending onto the card. Together with the original typed transmittal envelope