B131.   Shun En Dzu Sanshu Toko no Kenkyu (Note: I have found this book listed as Sun En Zu Sanshu Toko no Kenkyu & Su Do Dzu Sanshu Toko no Kenkyu; I’m not positive I have the title correct).  1976.  Clothbound with velum jacket and slipcase, 8 ¾ x 12 ¼”, about 350 pages in Japanese.  Well done oshigata of Swordsmiths from 3 provinces: Suruga, Totomi, and Izu.  Great reference, beautiful book.

The bookis like new. 4 pounds, 15 ounces.  Was $225; now $100.