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A2004-002.2152 : Free-franked folded letter postmarked PORTLAND/OT, March 8 (1852) |
AP/7431 |
12/31/1852 |
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A2004-002.2154 : Envelope, A Portland cover of May 30, 1859, showing use of an O.T. postmark in early statehood |
AP/7433 |
12/31/1859 |
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A2004-002.2153 : Envelope, A cover postmarked PORTLAND/OT |
AP/7432 |
12/31/1853 |
