Discovered by FATB
Kagerou Bunko
Antiquarian bookseller in Tokyo, Japan
An antiquarian bookshop in Kanda, Chiyoda-ku, dealing in old and rare books with catalogues in Japanese and English. Its stock centres on rare Japanese illustrated books and prints from before the twentieth century.
Why FATB discovered it: Member of the International League of Antiquarian Booksellers (through the Antiquarian Booksellers' Association of Japan) - International League of Antiquarian Booksellers (ILAB)
Discovery is not verification.