South Vietnam: 10.000 Dong ND(1975) SPECIMEN, P.36s by the Ngân-Hàng Quốc-Gia Việt-Nam (National Bank of Vietnam) not issued as the country ceased to exist , with ovpt Specimen in Vietnamese language and zero serial numbers and Specimen number 156 at upper left margin. Excellent uncirculated condition with exceptional paper quality. PMG graded 66 Gem Uncirculated