BROODTHAERS (Marcel).
"Beyond this limit your tickets are no longer valid. Invitation card for his exhibition at Yvon Lambert in Paris, from December 15, 1971. Card printed in red and black on the front, in black on the back. Under original envelope printed "Marcel Broodthaers" in red. Size : 10,5 x 14,7 cm. Extremely rare and beautiful copy.