Small 4to. #257 of 1100. Half vellum over grey boards, upper cover gilt-stamped with title in medallion designed by van de Velde, spine gilt-stamped with title. Wear to extremities, joints and front hinge starting; t.e.g. Brown eps with bookplate of Robert and Gladys Koch on front pastedown. Gladys Koch was a prominent antiques dealer from the 1950's thru the 1980's. Robert Koch was the renowned art historian who specialized in Art Nouveau. Interior clean and crisp with the famous Art Nouveau double title page by Henry van de Velde.