Pony Express First Day Cover Color Slide, May 7. Slide transparency of Pony Express mail covers donated by U.S. Philatelic Society in 1974.
Elliptical hand stamp: California Pony Express--New York
May 7 over U.S. 10¢ green stamp on Wells Fargo Cover
Addressed to:
C. H. Barton, Esq.
San Francisco
California
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Pony Express Stamp, Pony Express First Day Cover, United State Philatelic Society