The Hiep An brown-patterned ceramic jar of the Tran Dynasty is relatively large in size, embossed and engraved with patterns, and glazed. These were the typical techniques of the times.

Among the eight newly recognized national treasures are five artifacts from the Thang Long Imperial Citadel, dating back to the 11th century.

Deputy Prime Minister Tran Hong Ha on January 18 signed a decision recognising an additional 29 artifacts as national treasures.