School : Kinko

Signed : Yasutoshi + Kao

Paper / certificate of authenticity : NBTHK Hozon

Jidai (era) : late-Edo period 19th century

Material : very well forged & very finely carved beautiful deep dark purple/black shakudo plate

with a high & deep carving motif relief mix with gold, copper, shibuichi/silver , black shakudo inlay’s / overlay’s

Motif design is superb on both side !

Very fine & very good high quality workmanship !

Sizes, Katana & big Wakizashi : 2-7/8″ x 2-3/4″ x 1/8″ thick