Pony Express First Day Cover Color Slide, Aug. ?. Slide transparency of Pony Express mail covers donated by U.S. Philatelic Society in 1974.
Elliptical hand stamp: Pony Express rider, San Francisco, Aug. ?. over double Pony Express--Wells Fargo stamps, one red, one grey.
Addressed to:
C.S. Parson, Esq.
93 Beekman St.
New York, N.Y.
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Pony Express Stamp, Pony Express First Day Cover, United State Philatelic Society