Hudson Oriental Cast Coin Institute, Shin kanei tsuho zue (New Kanei Tsuho Chart), Sapporo 1998, 115 pages with 24-page addendum, softcover with photos or rubbings of all types, very detailed work on the subject of the New Kanei Tsuho coinage, Japanese text, retail price around ¥9000.
Estimate: 30- 50 USD