What is most important here?
"Under current Japanese law, any sword that does not meet the requirements of being classified as an art object made using traditional methods and materials is not able to attain a sword license (torokusho)"
https://thejapanesesword.com/shinsa.php
Its good to have sword with it. Its first requiement when buying in Japan. I was happily surprised buying lately sword when I discovered original torokusho with it. Dunno how it got out of Japan.