143L2 - 1861 $4 green, Pony Express - Mystic Stamp Company

Buying and Selling U.S. and worldwide postage stamps for stamp collectors.

113 - 1869 2c Pony Express, brown - Mystic Stamp Company

US Stamps - Page 22 - Mystic Stamp Company

143L4 - 1861 $2 Green, Pony Express - Mystic Stamp Company

113 - 1869 2c Pony Express, brown - Mystic Stamp Company

113 - 1869 2c Pony Express, brown - Mystic Stamp Company

5715-19c - 2022 First-Class Forever Stamp - Imperforate Pony Cars - Mystic Stamp Company

Robert A. Siegel Auction Galleries, Inc. Sale - 1207 Page 2

Part 8 of Erivan U.S., Confederate States collection in Jan. 17-18 H.R. Harmer sale

143L3 - 1861 $1 Red, Pony Express - Mystic Stamp Company

Robert A. Siegel Auction Galleries, Inc. Sale - 937 Page 47

Robert A. Siegel Auction Galleries, Inc. Sale - 937 Page 47

143L3 - 1861 $1 Red, Pony Express - Mystic Stamp Company

1154 - 1960 4c Pony Express Centennial - Mystic Stamp Company

35 - 1861 Ceylon - Mystic Stamp Company