the black on the back is a remnant of a cloth mounting strip from when it was mounted in an old postcard album
4A - H1705 58 RADIO CITY MUSIC HALL, NEW YORK CITY ERE:
ALFRED MAINZER, 118 EAST 28TH ST., NEW YORK CITY GENUINE CURTEICH-CHICAGO"'C.T. ART-COLORTONE''POST CARD (REG. U.S. PAT. OFF.) PLACE ONE CENT STAMP HERE POST CARD
---- At ESG HQ, we always try to use as much recycled packaging and packing materials as possible ---- Thanks for looking!
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505
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