2-Shu (1832-1858) Japanese Samurai gold ingot (standard circulation coin). Emperor Ninkō (1817-1846).
Obverse (left) Kiri crests on top, in the centre the value all in dotted border.
Lettering:
ニ (2)
朱 (Shu)
Engraver: Shozaburo Mitsutsugu
Reverse Characters for the Mint Official and his signature all in dotted border
Lettering:
光
次
Translation: Mitsutsugu
Engraver: Shozaburo Mitsutsugu
Mint Kinza, Edo, modern-day Tokyo, Japan
Mintage 103,069,602