Bolivya
Şimdi gösteriyor: Bolivya - Posta pulları (1867 - 2023) - 2 pullar.
1979
"Philaserdica 79" Philatelic Exhibition, Sofia, Bulgaria
30. Mart WM: Hiçbiri Gravür: La Papelera S.A., La Paz. Perforasyon: 10¾
![["Philaserdica 79" Philatelic Exhibition, Sofia, Bulgaria, tip XO]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/XO-s.jpg)
1984
"Mladost 84" Youth Stamp Exhibition - Pleven, Bulgaria
WM: Hiçbiri Gravür: La Papelera S.A., La Paz.
![["Mladost 84" Youth Stamp Exhibition - Pleven, Bulgaria, tip XO1]](https://www.stampworld.com/media/catalogue/Bolivia/Postage-stamps/XO1-s.jpg)
