Buy American Gold Buffalo Coins from Regal Gold Buyers in the Houston TX area. Visit one of Regal Gold Buyers' convenient locations or call and speak with our professional staff to buy these gold coins. Regal Gold Buyers offers the lowest prices and premiums on these beautiful gold coins.  This coin is an excellent way to invest in gold.  The American Buffalo, also known as a gold buffalo, is a 24-karat gold bullion coin first offered for sale by the United States Mint.  The coin has a legal tender (face) value of US $50.