Collectible coins include various types, such as commemorative coins, bullion coins, and proof coins, each with unique appeal for collectors and investors. In the United States, the Fifty Dollar Gold Buffalo is a popular bullion coin, first issued in 2006, featuring a design based on the iconic Buffalo Nickel. The Gold High Relief coins, introduced in 2007, showcase intricate designs and produce a raised effect, making them highly sought after by collectors due to their stunning visual appeal and limited mintage. These coins often have significant numismatic value in addition to their intrinsic gold content.

Item Denomination Series Year Mint
2007-- (Unknown) Gold Buffaloes & Gold High Reliefs $50 (Fifty Dollars) Gold Buffaloes & Gold High Reliefs 2007 Unknown
2007-W (West Point) Gold Buffaloes & Gold High Reliefs $50 (Fifty Dollars) Gold Buffaloes & Gold High Reliefs 2007 West Point
United States of America 2007 N/A Gold Buffaloes & Gold High Reliefs $50 $50 (Fifty Dollars) Gold Buffaloes & Gold High Reliefs 2007 N/A
United States of America 2007 N/A Gold Buffaloes & Gold High Reliefs $50 $50 (Fifty Dollars) Gold Buffaloes & Gold High Reliefs 2007 N/A
United States of America 2007 Philadelphia Gold Buffaloes & Gold High Reliefs $50 $50 (Fifty Dollars) Gold Buffaloes & Gold High Reliefs 2007 Philadelphia