The 1-ounce Pure Copper Round/Challenge Coin .999, also known as the Pure Copper Round, is a limited mintage piece from 2018 with serial number #91 Ethereum. These coins are crafted from high-quality copper and are excellent for collectors and investors interested in precious metals.

The design of the coin typically features the Ethereum logo, making it an excellent choice for cryptocurrency enthusiasts. The purity of the copper used in the coin's production ensures its authenticity and intrinsic value. Furthermore, its status as a 2018 limited mintage piece adds to its uniqueness and potential value over time.
These pure copper coins are a great way to diversify your collection of precious metals and can be an intriguing addition to any investment portfolio. Whether you are an Ethereum enthusiast or simply a coin collector, this 1-ounce Pure Copper Round/Challenge Coin offers a valuable and interesting choice.