Watch List notes:

BANKNOTES. CHINA - REPUBLIC, GENERAL ISSUES. Bank of China: Uniface Obverse and Reverse Proof 5-Yuan, dark blue, 10-Yuan, brown-black, and 50-Yuan, purple, September 1918, Shanghai, unperforated and mounted on card stock, ABNC Archive Proofs (P 52k, 53m, 54). Uncirculated.
(6pcs)

Estimate: US$1,500-2,000