China
Manchoukuo. Fen Year 2 (1933) MS67 Red and Brown NGC, KM-Y2. Obv. Flag in circle. Rev. Value within wreath. Sharply struck, with no apparent flaws. The reverse is fully brilliant red, while the obverse is a slightly muted reddish-brown, but more red than brown. While this issue is not particularly rare in lower grades, it is extremely rare in this Superb condition. This is the single finest example certified by NGC, and PCGS.
Estimate: 1000-1500 USD