B1019.  Nihonto no Sekai (World of Nihonto) by Tadashi Kikuchi.  1981.  Clothbound with dust jacket, slipcase, and cardboard sleeve, 9 1/4 x 12 1/4″, 223 pages in Japanese.  This is a picture book: all but 11 pages are given to crisp color and black & white photos with very minimal captioning.  Condition is excellent.  4 pounds, 7 ounces.  $25.