Fuchi and Kashira
 
Fuchi 39mm x 25mm x 11.5mm
Kashira 33.5mm x 18mm x 13mm
 
The material is black copper (shakudo). The age is 18th or 19th century.
The motif is a phoenix on paulownia tree. It means a holly bird on holly tree. (=> Animals on sword fittings)
 

Some more pictures
Fuchi

Kashira