Pony Express First Day Cover Color Slide, June 16. Slide transparency of Pony Express mail covers donated by U.S. Philatelic Society in 1974.
Elliptical hand stamp: Wells Fargo-Carson City, June 16, on Wells Fargo Cover
Addressed to:
William B. Taylor Esqr.
Post Master
New York City, N.Y.
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Pony Express Stamp, Pony Express First Day Cover, United State Philatelic Society