100th Anniversary of the Pony Express 1860-1960 Block of Stamps

100th FIRST DAY OF ISSUE ANNIVERSARY of the Pony Express 1860-1960 Art Craft THESE DRAMATIC CARRIERS OF UNITED STATES MAIL COVERED THE 1980 MILES BETWEEN ST. JOSEPH, MISSOURI AND SACRAMENTO, CALIFORNIA IN JUST 8 DAYS! CAMMEN JUL 18 9-AK 1960. SAC SACRAMENTO ST.JOSEPH FOUNDER RUSSELL MAJORS ST.JOSEPH 1860-1960 PONY EXPRESS 1860-1960 PONY EXPRESS ccccccccomodFIRST DAY OF ISSUE 90541 1860-1960 PONY EXPRESS 16115 SACRAMENTO ST.JOSEPH SACRAMENTO ST.JOSEPH 1860-1960 PONY EXPRESS UNITED STATES POSTAGE