Source: Antique object
Hisayuki (久隨) was active before 1781 and a student of a certain Murakoshi Shigeyuki who was an assistant samurai.1 Both worked in the Hamano style.
Hisayuki worked in soft metal (kinko) and often depicted figures of Chinese mythology.
Signature of Hisayuki (久隨) on a Japanese fuchi or "ferrule".
Fuchi (ferrule) and kashira (pommel cap) by Hisayuki.
1. Haynes, Robert E.; The Index of Japanese Sword Fittings and Associated Artists, Nihon Art Publishers. 2001. For Hisayuki see H 01571.0. For Shigeyuki see H 08613.