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1961, Jan 16 20th Anniversary of Nicaraguan Military Academy issue unwmk p. 11x11.5
| - | 20c | Charles Mullins, Anastasio Somoza, | ||||
| - | 35c | multi | ||||
| - | 45c | rose & blk | ||||
| - | 1.50cord | multi |
1961, May 16 Junior Chamber of Commerce Congress issue
| - | 2c | multi | ||||
| - | 4c | multi | ||||
| - | 15c | multi |
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