Introduction to Postmarks
Postmarks (11 examples)
Of the postmarks in the collection five are from the "illegal" Republican alternative Christmas postal service.
| Some Examples of Postmarks |
 Type: Postmark (3), Group: Provisional Sinn Fein (PSF), Date: 1981
Description: Sinn Fein James McDaid Cumann. Bloomfield
Photograph: © Peter Moloney.
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