Willem de Ridder: European Mail-order Warehouse/Fluxshop, Winter 1964–65. From the show Thing/Thought: Fluxus Editions, 1962–1978, today through January 16, 2012, at the Museum of Modern Art, New York. More info here.

(Photo by Wim van der Linden/MAI; MoMA/Gilbert and Lila Silverman Fluxus Collection Gift)