SIGNED KINKO SHISHI FUCHI 18-19thC Japanese Edo Original Antique for Koshirae

Signature: TOSHINAGA (with Kao)

Motif: SHISHI
Material: Shibuichi(Alloy of Copper with Silver), Gold
Size(mm): 38.5 x 21.3
Described in the photos. about the sizes of the other part, please ask.