Front: UNIVERSITY LIBRARY, UNIVERSITY OF WEST VIRGINIA, MORGANTOWN, WEST VIRGINIA 3558Y 6A-H375 Back: “C.T.ART-COLORTONE” REG.U.S. PAT. OFF. MADE ONLY BY CURT TEICH & CO., INC., CHICAGO MINSKY BROS. & Co., PUBLISHING DIVISION, PITTSBURGH, PA.
