Watch List notes:

Frontier Bank, 1925 Harbin Issue. Frontier Bank, 1925 Harbin Issue.Harbin, China, 1925, 1 Yuan, P-S2568, (S/M #P42-60?), Unlisted variety without red 4 character Chinese overprint on face. Green on m/c, back green, S/N A083282C. VG to VG+ condition. Rarely seen variety/error without overprint. ABNC.

Estimate: 1600-3100 HKD