Matching Fuchi Kashira set with many Kiri (paulownia) crest
17th century
Alloy: Shakudo (mixture of copper 3% to 6% gold
Size:2.1 cm X 3.9 cm (Fuchi) and 1.7 cm X 3.5 cm
Note: Fuchi Kashira are one of the components of a mounted Japanese sword.