Stamps of Switzerland, 1 Dec 1971
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semipostal
1971, Dec 1 Pro Juventute 1971 issue - birds (1970 Switzerland) unwmk (no perf info)
| X | 10+10 | multi | Common Redstarts | |||
| X | 20+10 | multi | bluethroats | |||
| X | 30+10 | multi | peregrine falcon | |||
| - | 40+20 | multi | mallards |
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