HANOI. Action de 100 Piastres Nominative. yellow, black. No 17. A few pin-holes. Founded 1923 to construct a hospital in Hanoi focussed on the treatment of cancer using for instance X-ray / radium technology (the Institut Curie at Paris was founded according to the will of Marie Curie). It opened in 1925. Renamed Institut du Radium de l'Indochine in 1926. The hospital still exists today. Extremely rare.