2025 Ghana Neptune Solar System 2 oz Antique finish Silver Coin. Neptune, the distant ice giant, is instantly recognized by its mesmerizing deep blue color. A Blue Cat’s Eye sphere flawlessly represents Neptune’s atmosphere – fluid, relentless, and endlessly cold. Its rich cobalt tone mirrors the methane-rich clouds that swirl through the planet’s upper layers. The 35-mm orb rests atop a 2 oz silver coin, sculpted in high relief and enhanced with digital gilding. On the reverse, Neptune’s astronomical symbol glows from the shadows, echoing the silence of the cosmic sea. High relief, Digital gilding, Blue Cat’s Eye sphere d=35mm. Why Collect with topworldcoins USA. Official Coin Distributor of MINT XXI, United Crypto States, and TWC COINS. Globally Trusted Dealer for leading coin producers. Certified and Authentic Coins Only. Exclusive Editions and High-Demand Collectibles.