Aart van Barneveld posing in front of Stempelplaats.
Stempelplaats was a mail art gallery in the shop of Posthumus rubber stamp makers in the St. Luciensteeg in amsterdam.
Photo by @Ginny_Lloyd for Umbrella Magazine in 1982. Found the photo on Ginny's Blog where she republished the Umbrella article about the Mail Art scene in europe.
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