Stamps, "Is There a Formula for Peace?" issue
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Nicaragua
postage1971, Sep 6 "Is There a Formula for Peace?" issue unwmk p. 14 (8 stamps)
| - | 10c | blk & ltbl | ||||
| - | 15c | multi | ||||
| - | 20c | multi | ||||
| - | 40c | multi | ||||
| - | 50c | multi | ||||
| - | 80c | multi | ||||
| - | 1cord | multi | ||||
| - | 2cord | multi |
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