Unified Vietnam, First Seating of the Unified National Assembly, July 24th, 1976, Michel Nr. 854; A single stamp with a 12 xu nominal and in perforation 12 was…
North Vietnam, 1. Session of the National Assembly (II), June 24th, 1976, Michel Nr. 855-856; Two stamps with nominals of 6 xu and 12 xu were issued in perforation…