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.
| Date | 1919 |
| Place | United States of America |
| Medium | paper; ink |
| Dimensions | Height x Width: 4 3/16 x 9 1/2 in. (10.6 x 24.1 cm) |
| Object number | 1993.2005.1 |
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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Licence: CC0 1.0 (public domain) · Adapted from postalmuseum.si.edu
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