ANNAM. Khai Dinh. Gold 7 Tien n/d (1916-1925), Bao Chien issue, NGC "Altered Surface ***Not Encapsulated***" (6492842-001), AU condition, cleaned, filled, holed, 29,44 grams. Extremely rare gold issue. Provenance: From the collection of an employee of the French Foreign Service, deployed in Cambodia/Vietnam in the 1920s to 1940s, thence by descent.