B628.   Kotetsu Taikan by Dr.s Homma & Sato.  1974.  Clothbound with slipcase, 10 ¼ x 14 ½”, 515 pages in Japanese.  Photographs and oshigata of swords, tsuba, and armor, a thorough examination of the various signatures, and a lot more by and about one of the great masters.  With this book you can discover if any of your Kotetsu katanas are real.

The slipcase is dinged a bit and is split along an edge for a few inches at the spine (still works fine to hold and protect the book).  The book is in excellent condition.  9 pounds, 11 ounces.  Was $275, now $225.