Greece
Now showing: Greece - Postal tax stamps (1914 - 1956) - 1 stamps.
1937
Postage Due and Postage Stamps Overprinted "ПРОΝОІА"
20. leden WM: Žádný Perforation: Rouletted
![[Postage Due and Postage Stamps Overprinted "ПРОΝОІА", type U]](https://www.stampworld.com/media/catalogue/Greece/Postal-tax-stamps/U-s.jpg)
![[Postage Due and Postage Stamps Overprinted "ПРОΝОІА", type U1]](https://www.stampworld.com/media/catalogue/Greece/Postal-tax-stamps/U1-s.jpg)
