Stamps of Switzerland, 31 May 1958
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semipostal
1958, May 31 Pro Patria 1958 issue unwmk (no perf info) (5 stamps)
| - | 5+5 | brncar | mother & child | |||
| - | 10+10 | multi | fluorite | |||
| - | 20+10 | multi | ammonite Orthosphinctes laufenensis | |||
| - | 30+10 | multi | Almandine | |||
| - | 40+10 | multi | smoky quartz |
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