Another unexpected color photograph from Henry Haliday Costain.  This time the process appears to be a Kodak Wash-Off Relief dye-transfer print.  As with the tri-color carbro "Untitled (China Cupboard)" Costain's technique produces an immaculate print.

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Untitled (Orchids)

Harold Haliday Costain, c. 1937
vintage tri-color process print
13.5″ × 10.5″