Hungary - 72
72
Hungary 1963
Ministerial Conference of the Organization of Postal Administrations of Socialist States
May 9, 1963
Albania Stamp of 1962
20f multicolored
Bulgaria Stamp of 1959
30f multicolored
Czechoslovakia Stamp of 1962
40f multicolored
China Stamp of 1958
50f greenish blue/blue violet
North Korea Stamp of 1961
60f multicolored
Poland Stamp of 1959
80f multicolored
Hungary Stamp of 1961
1ft multicolored
Mongolia Stamp of 1959
1.20ft multicolored
GDR Stamp of 1961
1.40ft multicolored
Romania Stamp of 1957
1.70ft multicolored
Soviet Union Stamp of 1961
2ft multicolored
North Vietnam Stamp of 1961
2.60ft multicolored