Watch List notes:

BANKNOTES. CHINA - REPUBLIC, GENERAL ISSUES. Bank of China: Uniface Obverse (2, different underprint varieties) and Reverse Proof 1-Yuan, September 1918, Shanghai, unperforated and mounted on card stock, ABNC Archive Proofs (P 51m). Uncirculated.
(3pcs)

Estimate: US$500-600