B190.   The Process of Kantei: Study, Appraisal, and Attribution of Nihon-To.  Philadelphia Are Token kai.  1990.  Spiralbound, 8 ½ x 11”, 18 pages in English.  Kantei is the art of knowing by whom and when a sword was made by looking at the shape, steel, and work.

Excellent condition.  4 ounces.  $10.