Front:
2/3121*
10029 LOADING COPPER ON STEAMER, HOUGHTON, MICH.
COPR. DETROIT PUBLISHING CO.
Back:
MADE ONLY BY DETROIT PUBLISHING CO.
"PHOSTINT" CARD.
TRADE MARK - REG. U. S. PAT. OFF.
THIS SPACE MAY BE USED FOR MESSAGE.
+5
20
AND CANADA.
FOREIGN. TWO
CENTS
