Watch List notes:

JAPAN: Tenpo, 1830-1844, AE 100 mon (22.27g), Honza mint, Edo, Musashi Province, H-5.7s, JNDA-135.3, tenpo tsuho, cast circa 1846-69, bosen, 'seed' or mother coin, EF, ex Adam Yeung Collection.

Estimate: 200-300 USD