Watch List notes:

Masuo, Tomifusa, Honpo Bita Sen Zufu (Chart of Japanese Bita Sen Coins), Tokyo 1984, 77 pages, softcover, variety catalog of 1500s-1600s Bita Sen, types cast or copied from Chinese prototypes, usually Song or Ming. 475 pieces covered, this is the work that brings together all of the "oddball" cash you will find in mixed lots, which do not belong in the known series of Chinese, Japanese, or Vietnamese issues, includes a section on Javanese issues, very useful work, Japanese text.

Estimate: 15- 25 USD