Greċja
Muri Bhalissa: Greċja - Bolli postali tat-taxxa (1914 - 1956) - 1 bolol.
1937
Postage Due and Postage Stamps Overprinted "ПРОΝОІА"
20. January WM: Xejn Perforazzjoni: Rouletted
![[Postage Due and Postage Stamps Overprinted "ПРОΝОІА", Tip U]](https://www.stampworld.com/media/catalogue/Greece/Postal-tax-stamps/U-s.jpg)
![[Postage Due and Postage Stamps Overprinted "ПРОΝОІА", Tip U1]](https://www.stampworld.com/media/catalogue/Greece/Postal-tax-stamps/U1-s.jpg)
