This is an Australian coin in circulation with a denomination of 5 Australian dollars (100 Australian dollars = 1 Australian dollars). On the front of the coin is the digital denomination of echidna (not platypus) and 5, and on the back is the head of Queen Elizabeth II.

According to the current exchange rate: 1 Australian dollar =5.824 1 RMB (5 Australian dollars = 20.9 RMB), but according to the current policy, foreign coins cannot be exchanged in domestic banks, so this coin cannot be exchanged for money.

However, it has collection value, and is currently worth 3 yuan/piece in the coin collection market.