American Eagle Gold Bullion Coins
According to the United States Mint website, bullion coins are created from gold mines in the United States. They come in four different denominations including: one-tenth ounce, one-quarter ounce, one-half ounce and one ounce. The cost is based on the current market price of gold. The U.S. Mint doesn't sell American Eagle Bullions directly to the public. You must go through a coin dealer to purchase one.
American Buffalo 24-Karat Gold Coins
The American Buffalo gold coin is the first .9999 pure 24-karat gold coin created by the U.S. Mint. In fact it's the only investment grade bullion coin that's guaranteed by the U.S. government for purity, weight and content. The stamped value of this coin is $50. The U.S. doesn't sell these to the public either. You'll need to locate a coin dealer either locally or on a website like eBay.
Red Maple Gold Coin
The Royal Canadian Mint began distribution of the Red Maple Gold coin in 2009. It's a 1/25 ounce, 99.99 percent pure gold coin, with a mintage of 15,000. The front of the coin features Queen Elizabeth II, and the back has two maple leaves. The symbolic value of the Red Maple is 50 cents, but in 2010 the Royal Canadian Mint was selling it for CAD$99.95.
Vienna Philharmonic
Yes, the Vienna Philharmonic is a world-famous orchestra. It's also a 24-karat gold coin from the Austrian Mint. The World Gold Council dubbed the Vienna Philharmonic the world's best selling coin in 1992, 1995 and 1996. This 24-karat gold coin shows the design of several musical instruments as played in the Vienna Philharmonic Orchestra.