cover Columbian Exposition postal cards, 1893, complete set of twelve mint black official exposition postal cards, set no.7 (Koehler cards), UPSS#EX62-EX73, all franked with no. UX10 design, fresh, virtually all are very fine, UPSS $600.00 est.

Details

cover Columbian Exposition postal cards, 1893, complete set of twelve mint black official exposition postal cards, set no.7 (Koehler cards), UPSS#EX62-EX73, all franked with no. UX10 design, fresh, virtually all are very fine, UPSS $600.00 est.