VietNamNet Bridge - The National History Museum last year opened a showroom to display more than 100 precious items of the Oc Eo-Phu Nam civilization that dates from the 5th century BC to 11th century AD.

Unlike many private collectors who acquire national treasures and somehow manage to sell them abroad, Bui Van Quang from the northern city of Nam Dinh, likes to collect artefacts from the past, both royal and common, . . .