1977 Mercantile Bank Limited $100 Hong Kong Banknote #59

1977 Mercantile Bank $100 Hong Kong banknote (Pick #59, serial B072785, dated 4th Nov 1977). Last issued before merging with HSBC, it’s a rare colonial collectible. Features Britannia on front, Hong Kong skyline on reverse, printed by Thomas De La Rue. Inherited from my late uncle. Message for details.