The 10 Hong Kong dollar is divided into two types: coins and banknotes. There are no plastic Hong Kong dollars, so the one you have is not a Hong Kong dollar.

The new version of the 10 yuan note: it is purple with blue, and new anti-counterfeiting measures have been added. The banknotes bear the signatures of Financial Secretary John Tsang and Chief Executive of the Hong Kong Monetary Authority Yam Chi-kong.

10 yuan coin: round, with white nickel alloy outer ring and brass alloy center.

The Hong Kong dollar, or Hong Kong dollar, is the legal currency of Hong Kong. According to the Hong Kong Basic Law and the Sino-British Joint Declaration, Hong Kong's autonomy includes the power to issue its own currency. Its official ISO 4217 abbreviation is HKD (Hong Kong Dollar); its logo is HK$.

The Hong Kong Monetary Authority and three Hong Kong note-issuing banks including Standard Chartered Bank (Hong Kong) Limited, HSBC Hong Kong Limited and Bank of China (Hong Kong) Limited announced on July 20, 2010 that they will Launched the new 2010 Hong Kong dollar banknote series. Hong Kong has established a linked exchange rate system in which Hong Kong dollar issuance is pegged to the U.S. dollar. The US dollars held by the Exchange Fund provide support for the stability of Hong Kong dollar banknotes.

Hong Kong is the third largest financial center in the world after New York and London, making the Hong Kong dollar one of the currencies with a sound system and stable currency value. Although the history of Hong Kong dollar issuance is not long and the area is not large, its development is somewhat representative.

The vast majority of Hong Kong dollar banknotes are issued by three note-issuing banks under the supervision of the Hong Kong Monetary Authority. The three note-issuing banks include HSBC, Standard Chartered Bank and Bank of China. There is also a new purple ten-dollar banknote, which is issued by the Hong Kong Monetary Authority. Coins are issued by the Monetary Authority.

Since 1983, Hong Kong has established a linked exchange rate system in which Hong Kong dollar issuance is pegged to the U.S. dollar. When the note-issuing bank issues any amount of Hong Kong dollars, it must hand over the U.S. dollars to the Hong Kong Monetary Authority at an exchange rate of HK$7.80 to 1 U.S. dollar, record them in the accounts of the Exchange Fund, and receive a certificate of indebtedness before printing banknotes. In this way, the US dollars held by the Exchange Fund provide support for the stability of Hong Kong dollar banknotes.

Reference materials: Baidu Encyclopedia, Hong Kong dollars