György Galantai and Henry Bzdok. Original stamp works

(1) Henry Bzdok. Katowice, self-published, 1979. Thin off-white sheet, 29.5 x 21 cm, hand-stamped in purple and blue. Features a broken barbed wire with a stamp reading 'Mail Art'. Unique copy signed and dated in pencil in lower left. In very good condition.

(2-3) György Galantai. Budapest, self-published, 1981. Two silkscreened images, one in blue and one in red, 28 x 23.5 cm. Each with stamped text 'G. Galantai is Fourty Years Old' and original Fluxpost stamp. In excellent condition. (total 3)