Futatokoro-mono: Mei: Mumei (Ko-Kinko) Kogai : Length : 21.2cm x 1.2cm ( 3.8inches x 0.47inches) Era: Edo Period Special feature: On shakudo nanakoji plate, Hai-Ryu dragon design is engraved and inlayed with gold. Kozuka Kogatana: Mei: Mumei (Ko-Kinko) Mei (signature) on ...