Daisho Tsuba:(NBTHK Tokubetsu Hozon Paper)
Mei (signature) : Hamano Naohiro(Kao)
Dai(large):
Length : 7.41cm x 6.94　cm ( 2.91　inches x 2.73　inches)
Thickness of rim : 0.33 cm ( 0.12 inches)
Weight: 151grams.
Sho(small):
Length :　7.95　cm x 6.63　cm ( 3.12　inches x 2.61 inches)
Thickness of rim : 　0.33 cm ( 0.12　inches)
Weight:129grams.
Jidai(era) :　Edo period.
Special feature: Round shape, Shakudo Nanako Tsuba, crane and turtle are engraved with gold and silver color.
NBTHK Tokubetsu Hozon Paper
AOI estimation paper