B930.  Higo Kinkoroku: Zen by Nagaya.  1929.  Sewn silk softbound, 7 ¼ x 10 ¼”, about 100 pages in Japanese.  This is a reprint of a book from 1925 on Higo koshirae.  Many illustrations and extensive text: looks to be a great reference for those with an interest in Higo mounts.

Condition is excellent for the age except for a bit of fraying of the silk at the bottom of the back cover.  9 ounces.  Now $95