In 2006-W the United States Mint released a very Limited Issue Buffalo $50 Fifty Dollar Gold Proof Coin struck in solid fine .9999 Gold weighing one ounce of fine Gold.

The reverse depicts a native American and the obverse features an American Buffalo also called a Bison.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.

• Limited Mintage 246,267 Worldwide
• Minted to the United States Mint Proof Quality
• Struck in Solid Fine .9999 Gold Weighing One Ounce of Pure Gold
• American Buffalo Gold Proof 1oz Coin - First Year of Issue
• Boxed with Certificate of Authenticity