Daisho Tsuba:
Mei (signature) : Kao
Dai(large):
Length : 7.66cm x 7.42　cm ( 3.01　inches x 2.92　inches)
Thickness of rim : 0.45cm ( 0.17 inches)
Weight: 143grams.
Sho(small):
Length :　7.37 cm x 7.10　cm ( 2.90　inches x 　2.79 inches)
Thickness of rim : 0.33　 cm ( 0.12　inches)
Weight:108 grams.
Jidai(era) :　Edo period.
Special feature: Round shape iron Tsuba, tiger and bamboo forest are engraved with gold and silver color.