Watch List notes:

BANKNOTES. CHINA - REPUBLIC, GENERAL ISSUES. Commercial Bank of China: Uniface Obverse Proof 1-Tael, blue; Uniface Obverse and Reverse Proof 5-Tael, orange/blue; Uniface Obverse Proof 10-Tael (2), purple, all dated 15 January 1920 and with Worthy at centre, apart from one of the 10-Tael Reverses all are unperforated and mounted on card stock, ABNC Archive Proofs (P A134p, A135, A136). Uncirculated.
(5pcs)

Estimate: US$450-550