Front: 609 PITT STADIUM, PITTSBURGH, PA. 5A-H236 Back: "PITTSBURGH PROMOTES PROGRESS" skurs 7-236 "c. T. ART.COLORTONE, MINSKY BROS. & CO., PITTSBURGH, PA. MADE ONLY BY CURT TEICH & Co., INC., CHICAGO, U.S.A.
