This is openwork Tsuba that design is kiri paulownia, plover and 2 tomoe There is no certification but I think it was made in Owari country Edo period Material: iron Size : H 78 x W 78 x D 4.5 mm (3.1" x 3.1" x 0.18") Nakago (center hole)length 26 mm Weight : 118 g ( 4.1 oz.) Condition : Good as you can see the pictures for the year. with box This item is as pictures show without any warranty, please see pictures. I try my best to describe items accurately, but it is still my opinion and you have to depend on your own judgment when you bid.