First ocean to ocean submarine mail service cover

used

The official penalty cover was carried aboard the U.S.S. C-3 on the first official trip of submarine mail service from Atlantic to Pacific Ocean. It was postmarked Cristobal, Canal Zone, Atlantic - Pacific, May 7, 1919 and back(?) canceled Balboa Heights, Canal Zone / Received / May 7 1919 ... First Trip Submarine Mail Atlantic - Pacific.

[Research the C-3 and the circumstances surrounding the submarine mail service. What ever happened to the pictures that Virginia Spear spoke of in her Sept. 14 letter.]

Mr. Spear worked at the U. S. post office in Ancon, Panama, during and following the building of the Panama Canal.

Where this page came from

This page was imported from Smithsonian National Postal Museum. Released by the Smithsonian Institution under CC0 through Smithsonian Open Access.

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