B442.  Nihonto: Kyo no Meisho. Rai Ha no Ryuse by The Sano Museum.  1999.  Softbound, 8 ¾ x 11 ¾”, 129 pages in Japanese with a list of plates in English.  The English title of this book is Nihonto: The Rise and Prosperity of Masterful Rai School in Kyoto, and that’s exactly what you get.  The Rai smiths of the Kamakura period are among the most important of all smiths ever.  Crisp black & white photography shows the work well.

Condition is excellent..  1 pound, 11 ounces.  Was $80, now $60.