Watch List notes:

BANKNOTES. CHINA - PROVINCIAL BANKS Frontier Bank: Uniface Obverse and Reverse Proof $50, 1 July 1925, olive/olive, unperforated and mounted on card stock, ABNC Archive Proofs (P S2574). Peeling on the Obverse Proof, about uncirculated.
(2pcs)

Estimate: US$300-400