Watch List notes:

BANKNOTES. CHINA - REPUBLIC, GENERAL ISSUES. Bank of China: Uniface Obverse and Reverse Proof 1-Yuan, green, 5-Yuan, purple and 10-Yuan, orange, with an extra 10-Yuan Reverse Proof in a different shade of orange, September 1918, Kalgan, unperforated and mounted on card stock, ABNC Archive Proofs (P 51h, 52g, 53h). Uncirculated.
(7pcs)

Estimate: US$800-1,200