Japan
Bunsei gold Koban (Ryo) ND (1819-1828) XF Details (Tooled) NGC, Edo mint, KM-C22a, JNDA 09-20, Hartill-8.23 (ER). 31x61mm. With character "bun" in grass script stamped on the reverse. Slightly muted golden color, some minor reengraving of the flan crenulations constituting the tooling noted on the holder, though with relatively few surface marks; some stress on the reverse and a small scuff are noted for the sake of completeness.
HID02901242017
Estimate: 800-1000 USD