Hizenkoku Yoshihiro 肥前國吉廣 signed Wakizashi, Homarekizu 誉傷, Edo period

There is a Homarekizu on the Mune side of the blade.

This appears to be a cut mark sustained during combat when the blade was used to defend against an opponent's sword attack.

with NBTHK Certificate.

Signature : Hizenkoku Yoshihiro
Nagasa : 456mm (17.95 in.) 
Sori : 10mm (0.39 in.) 
Motohaba : 29.3mm (1.15 in.) 
Sakihaba : 19.5mm (0.77 in.) 
Motokasane : 6.7mm (0.26 in.) 
Sakikasane : 4.5mm (0.18 in.) 
Blade Weight : 395g