Unified Vietnam, Birds of Prey, June 10th, 1982, Michel Nr. 1232-1239; Eight stamps in the nominals of 30 xu (two stamps), 40 xu, 50 xu (twi stamps), 60 xu…
Unified Vietnam, Birds of Prey, May 4th, 1998, Michel Nr. 2917-2922; Six stamps in nominals of 400D (three stamps), 3,000D, 5,000D and 12,000D were issued in perforation 13…