Stamps of United States, 14 May 1981
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postage
1981, May 14 wildlife (1981) unwmk p. 11 (10 stamps)
| X | 18c | dkbrn | bighorn | |||
| X | 18c | dkbrn | puma | |||
| X | 18c | dkbrn | harbor seal | |||
| X | 18c | dkbrn | bison | |||
| X | 18c | dkbrn | brown bear | |||
| X | 18c | dkbrn | polar bear | |||
| X | 18c | dkbrn | elk | |||
| X | 18c | dkbrn | moose | |||
| X | 18c | dkbrn | white-tailed deer | |||
| X | 18c | dkbrn | pronghorn |
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