What is hong kong one dollar coin?

Hong Kong one dollar coin is a circulating currency in the form of a small, silver-colored coin. It was first introduced in 1863 and has undergone several design changes since then. The current version of the coin features the bauhinia flower, which is the emblem of Hong Kong, on one side and the denomination of the coin on the other. The coin is approximately 22.5mm in diameter and weighs 5.5 grams. It is commonly used for small transactions and is accepted in most places throughout Hong Kong. The value of the coin is equivalent to approximately US$0.13.