Watch List notes:

BANKNOTES. CHINA - FOREIGN BANKS. American Oriental Banking Corporation, Shanghai Branch: Uniface Obverse (2, different frame widths, 176mm and 178.5mm) and Reverse Proof $100, 16 September 1919, mounted on card stock, ABNC Archive Proofs; with a vignette proof of freighter and tug with barge in black for the reverse (P S1000). Small pieces missing from left margin of the narrower Obverse Proof without affecting the frame, otherwise uncirculated and rare.
(4pcs)

Estimate: US$1,200-1,500