75th Death Anniversary of Ludwig Boltzmann 3 öS — Austria, 1981
75th Death Anniversary of Ludwig Boltzmann (Austria, 1981), face value 3 öS. Photo, catalogue value, details and photo identification.
- Issue date
- 1981
- Face value
- 3 öS
- Colors
- Dark green blue
- Print run
- 3,400,000
- Yvert
- AT 1506
- Michel
- AT 1677
- Stanley Gibbons
- AT 1905
- Scott
- AT 1184