Closed Chain Made of Rings and Squares overprinted 30 Ct. — Switzerland, 1959
Closed Chain Made of Rings and Squares overprinted (Switzerland, 1959), face value 30 Ct., “PTT conference” series. Photo, catalogue value, details and…
- Series
- PTT conference
- Issue date
- 1959
- Face value
- 30 Ct.
- Colors
- Red
- Print run
- 658,940
- Yvert
- CH 632
- Michel
- CH 681
- Stanley Gibbons
- CH 608
- Scott
- CH 376