| Ralph Gibson Handwriting [The Somnambulist] 1963-1969 (taken) Silver print 12 1/2 x 8 1/4 in (31.8 x 21 cm) Swann Galleries - New York Courtesy of Swann Galleries (Auction Oct 21, 2008, Lot 292) LL/31286 With Gibson's signature, date and edition notations, "A.P.," in pencil, on verso.
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