Airmail - Literacy Year, International Year of the Child, The 10th Year Anniversary of the First Manned Lunar Landing, 50th Anniversary of the South America Ride on the Airship "Graf Zeppelin", International Postage Exhibition WIPA 1981 - Overprinted "1980 ANO DE LA ALFABETIZACION" 1980
Now showing: Nicaragua - Postage stamps - 1980 - Airmail - Literacy Year, International Year of the Child, The 10th Year Anniversary of the First Manned Lunar Landing, 50th Anniversary of the South America Ride on the Airship "Graf Zeppelin", International Postage Exhibition WIPA 1981 - Overprinted "1980 ANO DE LA ALFABETIZACION" - 1 stamps.
1980
Airmail - Literacy Year, International Year of the Child, The 10th Year Anniversary of the First Manned Lunar Landing, 50th Anniversary of the South America Ride on the Airship "Graf Zeppelin", International Postage Exhibition WIPA 1981 - Overprinted "1980 ANO DE LA ALFABETIZACION"
30. September WM: None Sheetsize: 1
![[Airmail - Literacy Year, International Year of the Child, The 10th Year Anniversary of the First Manned Lunar Landing, 50th Anniversary of the South America Ride on the Airship "Graf Zeppelin", International Postage Exhibition WIPA 1981 - Overprinted "1980 ANO DE LA ALFABETIZACION", type BAU1]](https://www.stampworld.com/media/catalogue/Nicaragua/Postage-stamps/BAU1-s.jpg)
