Watch List notes:

BANKNOTES. VIETNAM. Democratic Republic, State Bank of Viet Nam: Specimen 1-Hao (7), 1972, two different sizes and watermark; Specimen 2-Hao, 1972, with regular serial numbers, “MAU BAC” overprint; issued 1-Hao (2), 1972 (P 77, 77A, 78); Socialist Republic of Viet Nam: Specimen 5-Hao, 1-, 2-, 5-, 10-, 20-, 30- and 50-Dong, 1985, red “SPECIMEN” overprint (P 89-96). All uncirculated.
(18pcs)

Estimate: US$300-350