Stamps Year 1981

1232f - Intercosmos
Manuel Briones
1232e - Intercosmos
Manuel Briones
1232 - Intercosmos
Manuel Briones
1205 - Wooden Chess Pieces
Manuel Briones
1204 - Wooden Chess Pieces
Manuel Briones
1203 - Wooden Chess Pieces
Manuel Briones
1202 - Wooden Chess Pieces
Manuel Briones
1168 - Intercosmos Cooperative Space Program (Mongolia-USSR)
Manuel Briones
1167 - Intercosmos Cooperative Space Program (Mongolia-USSR)
Manuel Briones
1166 - Intercosmos Cooperative Space Program (Mongolia-USSR)
Manuel Briones