B982.  Token Kantei no Kiso Chishiki.  1974.  Clothbound with a slipcase, 7 1/4 x 10 1/2″, 280 pages in Japanese.  Kantei is the art of knowing when and by whom a sword was made without looking at the signature.  This is an introduction with lots of oshigata.

Condition is excellent.  2 pounds, 10 ounces.  $25.