Front: SIMON BARUCH RESEARCH INSTITUTE, SARATOGA SPA, SARATOGA SPRINGS, N. Y. 272 5A-H2575 Back: “C.1. ART-COLORTONE” REG. U.S. PAT. OFF. MADE ONLY BY CURT TEICH & Co., INC., CH CHICAGO c. W. HUGHES & CO. INC., MECHANICVILLE, N. Y.