Watch List notes:

BANKNOTES, 紙鈔, Hong Kong Error Banknotes ¬輕靽鸙曊r票, Hongkong & Shanghai Banking Corporation ¬輕鉹W海匯豐銀行: Error 錯體 $20, 1 January 1997, serial no.LD791776, printed fold有印蝴蝶摺 lower left corner (Ma H18a). Extremely fine.

Estimate: US$250-300