TOKUBETSU-HOZON KATANA, Hamabe Minryushi Toshizane 濱部眠龍子壽實 February 1826 signed,

He was a swordsmith who was active in Inaba during the late Edo period.
(He later made swords in Edo as well.)
He was the master of Kiyomaro's master.

A Tsuba sword depicting Moguriryu(潜龍).
Shibuichi Fuchikashira features depictions of flowers and plants.
A Menuki sword with a mushroom design.

Signature : Hamabe Minryushi Toshizane / February 1826
Nagasa : 648mm (25.51 in.) 
Sori : 15mm (0.59 in.) 
Total length : 940mm (37.01 in.) 
Motohaba : 30.1mm (1.19 in.) 
Sakihaba : 19.5mm (0.77 in.) 
Motokasane : 7mm (0.28 in.) 
Sakikasane : 4.6mm (0.18 in.) 
Blade Weight : 653g
Total Weight : 1224g