thanks for the compliment gentlemen,
Paul, here some specific caracteristics of Nagamichi:
-the shape of the hachi is very elegant, but different from Saotome, the so called san-saku or Myochin. I recognise them all on their shape, even when they are remounted.
-perfect alignement of the koboshi, comparable with the best Saotome.
-always 3 rows of koboshi on the frontplate.
-boars eye on the maedate-dai
-fine dark patina
-no shiten no byo
-often with russet iron shikoro, invisibly laced.
There was an armor with Nagamichi for sale at Christies for sale in 2009 i think. They did not know it because the ukebari was closed.
someone I know bought it and had a look inside... perfectly signed Nagamichi...