Vietnam
South Vietnam aluminum Piefort Essai Set 1953,
1) 10 Su - MS61 NGC, KM-PE1
2) 20 Su - MS61 NGC, KM-PE2
3) 50 Xu - AU58 NGC, KM-PE3
Each has a listed mintage of 104 pieces in this double-thick Piefort format.
HID02901242017
Estimate: 800-1200 USD