Pony Express First Day Cover Color Slide, July 17. Slide transparency of Pony Express mail covers donated by U.S. Philatelic Society in 1974.
Elliptical hand stamp: Pony Express, San Francisco, July 17
Addressed to:
Mr. John D. Jones
Pres. Atlantic Ins. Co.
51 Wall Street
New York
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Pony Express Stamp, Pony Express First Day Cover, United State Philatelic Society