B743.  Nihonto no Kantei To Kansho by Hideaki Tsuneishi.  1990.  Hardbound with dust jacket, 5 1/4 x 7 1/2″, about 300 pages in Japanese.  Kantei is the ability to know who made a sword when without seeing the signature; that’s what this book is about.  A bit of discoloration on the dust jacket; otherwise all is well.  1 pound, 3 ounces.  $10.