Stamps of Switzerland, 1 Dec 1951
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semipostal
1951, Dec 1 Pro Juventute 1951 issue unwmk p. 11.5 (5 stamps)
| - | 5+5 | brncar | Johanna Spyri | |||
| - | 10+10 | multi | Calopteryx splendens | |||
| - | 20+10 | multi | Iphiclides podalirius | |||
| - | 30+10 | multi | Anthocharis cardamines | |||
| - | 40+10 | multi | Saturnia pyri |
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