JAPAN: Bunsei, 1818-1830, AV koban (13.06g), Edo mint, H-8.23, JNDA-09-20, fan-shaped kiri crest above and below, ichi ryo at top, Mitsutsugu signature at bottom, struck 1837-58, with custom paulownia wood box with JNDA certificate 35770, EF.
Estimate: 1,800-2,000 USD