Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In 2005, the United States Mint released a silver dollar commemorative coin in honor of the 230th birthday of the United States Marine Corps. The coin was sold as both as a proof coin and an uncirculated coin, for a total number of 600,000 coins. They became available to order on July 20, 2005, and by September 21, 2005, all coins had been purchased.