An exceptional "Via Nicaragua Ahead of the Mails" cover to a foreign destination, franked with th (Image)

E. $ 4,000-5,000

3¢ 1851 Issue diagonal bisect used on a "Via Nicaragua Ahead of the Mails" cover front

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E. $ 1,500-2,000

12¢ 1851 bisect with "Via Nicaragua Ahead of the Mails" marking--a rare and beautiful cover

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E. $ 3,000-4,000

1855 10¢ Imperforate Types II and IV on a "Noisy Carriers" cover to Maine

10¢ Green, (Image)

E. $ 2,000-3,000

Perfect strike of San Francisco merchant's illustrated oval on a 10¢ Nesbitt entire

1 (Image)

E. $ 400-500

"Long Tom" Noisy Carriers illustrated mining scene on a cover from California to Maine

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E. $ 1,000-1,500

A beautiful hand-colored illustrated stagecoach design sent free from California

"San (Image)

E. $ 1,000-1,500

Woodcut four-horse overland mail stagecoach illustrated design bearing the 10¢ 1859 Issue

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E. $ 2,000-3,000

"Via Panama" illustrated steamship design on a cover from Timbuctoo, California

10¢ G (Image)

E. $ 2,000-3,000

1¢ and 3¢ 1851 Issue on Wells Fargo & Co. Express cover to Cincinnati via New York

1¢ (Image)

E. $ 2,000-3,000

Clear strike of the San Francisco Running Pony handstamp on eastbound Pony Express cover with 185 (Image)

E. $ 15,000-20,000

A colorful and desirable Pony Express $1.00 Horse & Rider cover

Wells Fargo & Co. Pon (Image)

E. $ 7,500-10,000

One of two recorded strips of three of the 25¢ Blue Virginia City Pony Express stamp on cover--an (Image)

E. $ 10,000-15,000

25¢ Red Virginia City Pony Express stamp on cover from the Crittenden correspondence

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E. $ 4,000-5,000