Watch List notes:

BANKNOTES. CHINA - FOREIGN BANKS. Asia Banking Corporation Uniface Obverse and Reverse Proof $5, 1918, Tientsin, blue/red-brown, Uniface Obverse and Reverse Proof $10, 1918, Hankow, olive/dark blue, all unperforated and mounted on card stock, ABNC Archive Proofs (P A112s3, $10 Hankow unlisted, see S113 for type). Uncirculated.
(4pcs)

Estimate: US$700-900