1979
The 18th Anniversary of the UPU Congress, Rio de Janeiro


[The 18th Anniversary of the UPU Congress, Rio de Janeiro, type BMA]


[The 18th Anniversary of the UPU Congress, Rio de Janeiro, type BMB]


[The 18th Anniversary of the UPU Congress, Rio de Janeiro, type BMC]


[The 18th Anniversary of the UPU Congress, Rio de Janeiro, type BMD]


[The 18th Anniversary of the UPU Congress, Rio de Janeiro, type BME]

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