National Stamp Exhibition "THAILANDPEX 71" - Bangkok, Thailand - Overprinted "4-8 AUGUST 1971 THAILANDPEX'71" 1971
Zobrazujú sa: Thajsko - Poštové známky - 1971 - National Stamp Exhibition "THAILANDPEX 71" - Bangkok, Thailand - Overprinted "4-8 AUGUST 1971 THAILANDPEX'71" - 4 známky.
1971
National Stamp Exhibition "THAILANDPEX 71" - Bangkok, Thailand - Overprinted "4-8 AUGUST 1971 THAILANDPEX'71"
4. august WM: 4 Rytina: De La Rue & Co. Ltd. | National Saving Bank, Thailand (O) Perforácia: 13½ x 13
![[National Stamp Exhibition "THAILANDPEX 71" - Bangkok, Thailand - Overprinted "4-8 AUGUST 1971 THAILANDPEX'71", typ OB3]](https://www.stampworld.com/media/catalogue/Thailand/Postage-stamps/OB3-s.jpg)
