Watch List notes:

KWANGSI: Republic, AE 10 cents (2.30g), year 10 (1921), KM-Pn3var, Kann-746, L&M-168a, error uniface pattern off-metal strike in copper for the silver 10 cents type KM-414, for an issue in 1921 that was never produced, struck in Philadelphia USA, NGC graded AU55 BR, RRR. This is a very rare 'struck through' error, the obverse half of two coins struck together. Errors of pattern coins are rarely encountered.

Estimate: 400- 500 USD