Blue Underwing (Catocala fraxini) 20+10 Ct. — Switzerland, 1950
Blue Underwing (Catocala fraxini) (Switzerland, 1950), face value 20+10 Ct., “Pro Juventute: Insects, Theophil Sprecher v. Bernegg” series. Photo, catalogue…
- Series
- Pro Juventute: Insects, Theophil Sprecher v. Bernegg
- Issue date
- 1950
- Face value
- 20+10 Ct.
- Colors
- Multicolor
- Print run
- 4,360,000
- Yvert
- CH 504
- Michel
- CH 552
- Stanley Gibbons
- CH J134
- Scott
- CH B198