50th anniversary of the Nobel Prize Award to Fritz Pregl 4 öS — Austria, 1973
50th anniversary of the Nobel Prize Award to Fritz Pregl (Austria, 1973), face value 4 öS. Photo, catalogue value, details and photo identification.
- Issue date
- 1973
- Face value
- 4 öS
- Colors
- Black ultramarine
- Print run
- 3,200,000
- Yvert
- AT 1265
- Michel
- AT 1436
- Stanley Gibbons
- AT 1693
- Scott
- AT 978