Republic of Viet Nam (South Viet Nam). The monetary system: 1 dong = 100 xu. 50 xu 1963, aluminium, weight - 2,94 g., size - 30 mm, mintage - 20000000 pcs. Engraver: Norman Sillman. The single release only. The obverse: the portrait of the first president Ngo Dinh Diem (1955-1963).
Republic of Viet Nam (South Viet Nam). 1 dong 1971, aluminium, weight - 1,2 g., size - 22,4 mm, thickness - 1,36 mm, mintage - 30000000 pcs. "FAO". The single release only.
Republic of Viet Nam (South Viet Nam). 10 dong 1968, nickel clad steel, weight - 5 g., size - 25,5 mm, thickness - 1,5 mm, mintage - 30000000 pcs. Such coins were released at 1968 and 1970.
The communist troops of the Democratic republic of Viet Nam occupied the Republic of Viet Nam at April 30 1975. The bloody war came to the end. The both of the part of Viet Nam was united and at the 1976 the Socialist republic of Viet Nam was proclaimed. The monetary system of the Socialist Republic of Viet Nam: 1 dong = 10 hao.
Socialist Republic of Viet Nam. 1 hao 1976, aluminium, weight - 1 g., size - 19 mm, thickness - 1,6 mm, mintage - unknown. The single release only.
Socialist Republic of Viet Nam. 2 hao 1976, aluminium, weight - 1,4 g., size - 21 mm, thickness - 1,8 mm, mintage - unknown. The single release only.
Socialist Republic of Viet Nam. 5 hao 1976, aluminium, weight - 1,9 g., size - 23 mm, thickness - 2 mm, mintage - unknown. The single release only.
Socialist Republic of Viet Nam. 1 dong 1976, aluminium, weight - 2,8 g., size - 26 mm, thickness - 2,4 mm, mintage - unknown. The single release only.
You would be surprised to see some of the older Vietnamese coinage in particular the silver coinage can cost a fortune. I tried my luck in them but they are just way unaffordable even back ten years ago. Some examples can be seen here: http://www.sixbid.com/browse.html?auction=1445&category=30375 This is one coin from Vietnam. Nice UNC except for the ugly scratch.
Hey, 100% cool coins, Siberian Man ... Ummm but sadly, not a whole lotta animals and/or other cool coin subjects (or maybe it's just me?) However, obviously your collection is awesome!! (congrats)
Republic of Viet Nam (South Viet Nam). 10 dong 1974, brass plated steel, weight - 4,39 g., size - 24 mm, thickness - 1,52 mm, mintage - 30000000 pcs. "FAO". The single release only.
Vichy Regime. 1 centime 1941, zinc, size - 27,5 mm, mintage - 2500000 pcs. Such coins were released at 1940 and 1941.
South Viet Nam. 5 dong 1966, copper-nickel, weight - 4 g., size - 24 mm, thickness - 1 mm, mintage - 100000000 pcs. Single release only.