1st Polish Science Congress issue of Poland
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Short desc: 1st Polish Science Congress
Issuer: Poland Date: 4/25/1951 Occasion: Polish Science Congress / 1st Polish Science Congress Consists of 6 stamps: (See stamps as list) 25g rosecar d=Stanislaw Staszic 40g ultra d=Marie Sklodowska Curie 45g pur d=ZFvon Wroblewski nand KSOlszewski 60g grn d=Marceli Nencki 1.15z cl d=Mikolaj Kopernik 1473-1543 1.20z gray d=congress emblem All are perf=9-14.5 Record of changes |
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