National Bank of Vietnam, specimen 1000 dong, ND (1971), serial number A1 000000 188, purple and green and lilac, National Bank head office at right, purple and green and lilac, National Bank head office at right, signatures of Tong-Kiem-Soat and Thong-Doc, reverse blue, value and guilloche patterns, (Pick 29s, TBB B131s), red GIAY MAU overprint, in PMG holder, staple holes, 64 Choice Uncirculated.
Estimate: £100 - £150