Stamps, endangered flora design type
1 to 4 of 4
United States
postage1979, Jun 7 endangered flora unwmk p. 11
| X | 15c | multi | persistent trillium | |||
| X | 15c | multi | Hawaiian wild broadbean | |||
| X | 15c | multi | Contra Costa wallflower | |||
| X | 15c | multi | Antioch dunes evening primrose |
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