Airmail - The 100th Anniversary of I.T.U. 1965
Prezentat acum: Mongolia - Timbre poştale - 1965 - Airmail - The 100th Anniversary of I.T.U. - 2 timbre.
Prezentat acum: Mongolia - Timbre poştale - 1965 - Airmail - The 100th Anniversary of I.T.U. - 2 timbre.