 The initial 2006 U.S. Mint price of the proof coin was $800.In 2007 the Mint proof coin was $899.95, $1,410.00 in 2009, and $2,010.00 in 2011.In addition to requiring a presidential dollar coin series to begin in 2007 and redesigning the cent in 2009, the Presidential $1 Coin Act of 2005 mandated the production of a one-ounce 24-karat gold bullion coin with a face value of $50 and a mintage limit of up to 300,000 coins.