The $1 Silver Australian Pig Coin is of the lunar series and is based on the 2007 Year of the Pig. Minted by the Australian Perth Mint, the Australian Lunar Series is legal tender and composed of .999 fine silver. The obverse displays an image of Queen Elizabeth II and the reverse features a pig. The pig is a symbol of wealth and good luck in many cultures. It is said that people born under the year of the pig are optimistic, honest, and calm. A Certificate of Authenticity is included.