South Vietnam, a group of 20x 20 xu, ND(1963), various consecutive groups, AA851809, AA851811-19, AA851835-39, AA851751-2 and AA851754-6, (Pick R2), uncirculated, these notes were printed in China but never issued. They were intended for use in the territories under control of the National Liberation Front. Many of them were captured during a joint US/South Vietnamese military operation into Cambodia (20)..
Estimate: 1500 - 2500