The sword-bayonet found in is currently kept at the . It is one of 37 artifacts that were recognized as the National Treasures according to the Decision No. 2599/QĐ-TTg signed by the Prime Minister of Việt Nam on December 30^th, 2013.

This sword-bayonet was discovered at the bottom of in Tân Ninh Commune, Triệu Sơn District, , in 1961.

It consists of two parts: the blade and the hilt. The blade has a bamboo leaf shape, which is thin with two sharp edges. The sword-guard has a buffalo horn shape. The hilt is a statue representing a woman, which was casted closely together with the blade. The woman figure was designed with unobstrusive attire; her blouse and skirt were sophisticated textiles. Decorative patterns on her attire are geometry that characterized Đông Sơn Culture.

The sword-bayonet found in bears a special value. It associated with the national history in general and with Thanh Hóa’s history in particular during early third century. The location where it was found was the base of Lady Triệu’s revolt against the Wu army.

The researchers of Việt evaluated the female figure on the sword’s hilt as the most beautiful image of woman among Việt ’s statues in the period of Đông Sơn Culture.

This sword-bayonet is displayed at the , which is highly appreciated by domestic and international visitors.