The smallest denomination of the Hong Kong dollar is the one mil coin which has which identifying feature?
Hong Kong one-mil coin: The one mil coin was the smallest denomination of the Hong Kong dollar from 1863 to 1866, after this date it was no longer issued but may have circulated much longer. Hong Kong one-mil coin:  Despite being minted under British rule, they did not feature the reigning monarch as all other coins did, due to the hole in the middle. Hong Kong dollar: The Hong Kong dollar (; lit.
hole in the middle