The 2025 Oklahoma 1/2 Goldback *ALPHA SERIES* coin by Valaurum is a unique piece with a composition of 0.999 gold and a precious metal content of 1/2000 oz. This coin is a part of the brand's Alpha Series, signifying a higher level of quality and design. While the mintage and certification details are yet to be determined, this collectible item is sure to appeal to coin enthusiasts and investors looking for a valuable addition to their collection.