Shinchu Fuchkashira Signed "Rinsendo" with NBTHK Hozon Tosogu - Dragon Among Clouds Based on the examination of

Based on the  examination of this piece I would say It was made by one of the last generations

They made shakudo tsuba with hira zonag inlay

Tsuba with iron fuchikashira decorated with gilded inlaid copper

Only the front of this tsuba is carved and inlaid

There are few more less striking but visible differences

Shinchu Fuchkashira Signed "Rinsendo" with NBTHK Hozon Tosogu - Dragon Among Clouds Based on the examination ofFuchikashira signed "Rinsendo" with NBTHK Hozon Tosogu. Most famous craftsman using this go was Rinsendo Mitsumasa born in the 1721. However I have checked this signature against Mitsumasa piece I own and other available sources and it is written in a different way. Therefore I suspect that this piece could have been made by his adopted son who signed "Rinsendo Mitsuo". Unfortunately I was not able to find any examples of his signature for comparison.