Greece
Now showing: Greece - Postal tax stamps (1914 - 1956) - 1 stamps.
1937
Postage Due and Postage Stamps Overprinted "ПРОΝОІА"
20. January WM: None Perforation: Rouletted
![[Postage Due and Postage Stamps Overprinted "ПРОΝОІА", type U]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Greece/Postal-tax-stamps/U-s.jpg)
![[Postage Due and Postage Stamps Overprinted "ПРОΝОІА", type U1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Greece/Postal-tax-stamps/U1-s.jpg)