Front: D-2 DALLAS GAS BUILDING, DALLAS, TEXAS 11 1 PHOTO BY PAUL D. CRAVENS 6 A-H2604 Back: GENUINE CURTEICH-CHICAGO “C.T. ART-COLORTONE'' POST ČARD (REG.U.S. PAT.OFF.) 1 CENT 1 -1789-1797
