Front: DL-18 GREETINGS FROM DETROIT LAKES CURT TEICH & CO., INC. MINN 8B-H1059 Back: NORTHERN MINNESOTA NOVELTIES, CROSSLAKE, MINN. GENUINE CURTEICH-CHICAGO C.T. ART-COLORTONE' POST CARD (REG. U.S. PAT. OFF.) 66 PLACE
