Hwandudaedo

Hwandudaedo is the modern Korean language term for one of the earliest original types of Korean sword, which appeared in the Proto–Three [Kingdoms period]. These swords were at first symbols of a ruler's power, but their availability increased in the 5th century, and they became a more widespread symbol of military or political rank. The frequency of finds declines in the 6th century.
The hwandu-daedo was a large military sword designed for battle, with a thick back and a sharpened blade. This sword's name was given because of the round shape of the pommel. The swords were richly decorated, with inlay work and, especially, elaborate pommel shapes.
Hwandudaedo subtypes are distinguished by decoration. They are known in Korean as Sohwandudaedo, Samyeophwandudaedo, Samruhwan-dudaedo, Yonghwandu-daedo, Bonghwandu-daedo, Bonghwang-mun, and others.