מוצג עכשיו אורוגוואי - בולי דואר (1910 - 1919) - 3 בולים.
6. ינואר WM: 1 חריטה: South American Bank Note Co., Buenos Aires. נקוב: 11½
![[The 1st Anniversary of the Pan-American Postal Congress, סוג EM]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/EM-s.jpg)
17. מאי WM: אף לא אחד חריטה: Waterlow & Sons, Londres.
![[The 100th Anniversary of the Battle of Las Piedras - Overprinted "ARTIGAS - 1811-1911" and Surcharged, סוג EN]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/EN-s.jpg)
![[The 100th Anniversary of the Battle of Las Piedras - Overprinted "ARTIGAS - 1811-1911" and Surcharged, סוג EO]](https://www.stampworld.com/media/catalogue/Uruguay/Postage-stamps/EO-s.jpg)
StampWorld
1911
The 1st Anniversary of the Pan-American Postal Congress
1911
The 100th Anniversary of the Battle of Las Piedras - Overprinted "ARTIGAS - 1811-1911" and Surcharged
