4th World Congress ICFTU 1 öS — Austria, 1955
4th World Congress ICFTU (Austria, 1955), face value 1 öS. Photo, catalogue value, details and photo identification.
- Issue date
- 1955
- Face value
- 1 öS
- Colors
- Purple ultramarine
- Print run
- 770,000
- Yvert
- AT 851
- Michel
- AT 1018
- Stanley Gibbons
- AT 1275
- Scott
- AT 605