Collectible coins are often categorized by their historical significance, rarity, and metallic content. In the United States, notable examples include the Gold Buffalo series and Gold High Relief coins. The Gold Buffalo, introduced in 2006, features a native American design and has a face value of $50, containing one ounce of 24-karat gold. The Gold High Relief coins, known for their intricate design and high relief striking, were first released in 2009, and a notable version was minted in 2019. These coins appeal to both investors and collectors due to their aesthetic appeal and precious metal content.

Item Denomination Series Year Mint
2019-- (Unknown) Gold Buffaloes & Gold High Reliefs $50 (Fifty Dollars) Gold Buffaloes & Gold High Reliefs 2019 Unknown
2019-- (Unknown) Gold Buffaloes & Gold High Reliefs $50 (Fifty Dollars) Gold Buffaloes & Gold High Reliefs 2019 Unknown