Zygmunt Wroblewski and Karol Olszewski 45 gr — Poland, 1951
Zygmunt Wroblewski and Karol Olszewski (Poland, 1951), face value 45 gr, “Polish Science Congress” series. Photo, catalogue value, details and photo…
- Series
- Polish Science Congress
- Issue date
- 1951
- Face value
- 45 gr
- Colors
- Purple
- Print run
- 2,030,000
- Yvert
- PL 610
- Michel
- PL 696
- Stanley Gibbons
- PL 707
- Scott
- PL 513