HUMPHREY Ralph (Youngstown, Ohio 1932 - New York 1990)
New York, Bykert Gallery, [1969], 73,6x50,9 cm., illustrated poster with an orange line drawing printed on a green background, published on the occasion of the exhibition. Copy folded in 6 parts, a small tear near a fold (New York, Bykert Gallery, February 1 - 27, 1969).
HUMPHREY Ralph (Youngstown, Ohio 1932 - New York 1990)
New York, Bykert Gallery, [1969], 73,6x50,9 cm., illustrated poster with an orange line drawing printed on a green background, published on the occasion of the exhibition. Copy folded in 6 parts, a small tear near a fold (New York, Bykert Gallery, February 1 - 27, 1969).
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