Watch List notes:

BANKNOTES. CHINA - REPUBLIC, GENERAL ISSUES. Industrial Development Bank of China: Uniface Obverse and Reverse Proof 1-Yuan, 1 February 1921, red, village gateway, building at centre, unperforated and mounted on card stock, ABNC Archive Proofs; with an issued 10-Yuan, 1 February 1921, Peking (P 491). Peeling on the 1-Yuan Obverse Proof, otherwise uncirculated.
(3pcs)

Estimate: US$100-150