| Bernhard Wicki Book cover for "Zwei Gramm Licht -- Two Grams of Light. Text by Georg Ramseger" (Zürich: Interbooks, 1960) 1960 Book cover Christie's - New York Christies - NY (Sale 2110: Lot 102 - April 10, 2008 - Fine Photobooks from an Important Private Collection) LL/28395
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