What is Gimei in Japanese Katana terminology?

"Gimei" (偽銘) refers to a false inscription cut by someone other than the original swordsmith. It is also known as "Nisemei", "Nisemei", or "Mayakashi Mei". The practice of inscribing the name of a famous swordsmith on a sword made by someone else, known as ""Gimei"", has been prevalent since the Kamakura period.

This practice of inscribing false names is not only a form of deception but also a reflection of the high regard and value placed on the works of renowned swordsmiths. The fact that this practice has been carried out since the Kamakura period indicates the long-standing tradition and history of sword making in Japan. However, it also underscores the importance of authenticating the sword and the inscription to ensure its authenticity and value.