North Vietnam, For War Invalids, March 13th, 1959 (brown stamp) and July 7th, 1960 (green stamp), Michel Nr. 2-3; Both stamps were issued in sheets of 100 and…
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North Vietnam, For War Invalids, March 13th, 1959 (brown stamp) and July 7th, 1960 (green stamp), Michel Nr. 2-3; Both stamps were issued in sheets of 100 and…