Watch List notes:

BANKNOTES. CHINA - FOREIGN BANKS. Banque Belge Pour l’Etranger, Société Anonyme: Uniface Obverse and Reverse Proof $50, 1 July 1921, Peking, blue, unperforated and mounted on card stock, ABNC Archive Proofs (P S138). Some peeling, uncirculated and rare.
(2pcs)

Estimate: US$1,500-2,000