Watch List notes:

BANKNOTES, 紙鈔, CHINA - FOREIGN BANKS, 中國 - 外國銀行, National Commercial and Savings Bank 香港國民商業儲蓄銀行: Uniface Obverse and Reverse Specimen $1, 1924, Shanghai 上海, serial no.000000, red "SPECIMEN" overprint and punch-hole cancellation, printer ABNC (P S453s). Minor foxing, choice about uncirculated.
(2pcs)

Estimate: US$1,200-1,500