Oil Refinery in Porto 6 $ — Portugal, 1970
Oil Refinery in Porto (Portugal, 1970), face value 6 $, “Inauguration of the Porto Refinery” series. Photo, catalogue value, details and photo identification.
- Series
- Inauguration of the Porto Refinery
- Issue date
- 1970
- Face value
- 6 $
- Colors
- Chrome yellow | Dark lilac brown
- Print run
- 1,000,000