Vietnam, 50 Dng, 1985, KM:97a, EF Issued note., HCM at right, arms at center., Thang Loing bridge crossing the Red River (north of Ha Noi) at center., Blue-gray on orange and multicolor underprint. Traceability and transparency As part of our procedures to fight against the trafficking of cultural goods, the provenance of this item has been rigorously verified. This item comes from a professional numismatic expert (origin: Germany / 2018 / lot R 8494). To secure your numismatic collection, always demand to know the provenance of your purchases. Conformity This item is certified authentic following the expertise of two recognized numismatic experts. Our team carries out nearly 100,000 numismatic expertises each year for private individuals, professionals and administrations. Our company was founded in 1977 and we are members of the main international numismatic organisations (ANS n°11680, ANA n°3175551, ANS, IBNS n°11418, PMG n°3721, PCGS n°1048758, NGC n°3721) Extended warranty For 10 years we offer a full refund of your order if a recognised authority questions the authenticity of a product sold. This is an additional security offered to allow you to buy with peace of mind. Proof of purchase This item will be supplied to you with a named and dated invoice, established by a professional seller (Siret: 41389368600019). To secure your numismatic purchases, always ask for an invoice and keep the document.