Here is one rare jewel to your library, guys.
Shinsen Kinko Meikan by Kokubo Kenichi, 1993.
Over 1000 authentic signatures of Kinko artists.
Essential reference and one that is very difficult to find nowadays.
The original KM of 1974 contained gimei’s and errors that were fixed in SKM. And more signatures were added. Includes genealogies of Kinko schools and an index in English.
Simulated leather softcover, 565 pages, very clear b/w pictures, in perfect condition.
$300, pp and shipping on top (can do transferwise).