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Signature Control Overprint

Resello Issue with Signature Overprint
Signatures were overprinted on Nicaraguan Stamps as control devices.

In October of 1933 and in subsequent years the Nicaraguan Post Office overprinted stamps with facsimile signatures of the Postmaster General and Minister of Public works as control devices in addition to the Spanish "resello" overprint which was used to validate stamps that had previously been demonetized.


"Nicaragua." Standard Postage Stamp Catalogue. 2008.

"Resello." AskPhil Q&A: Glossary of Philatelic Terms. Collectors Club of Chicago. n.d.
     20 Jan. 2015.

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