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Platinum Coins
Shop platinum coins at Lone Star Coins — American, Australian, and Canadian platinum bullion from leading sovereign mints. Live spot-based pricing, in stock in San Antonio.
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About Platinum Coins
Platinum bullion encompasses coins, rounds, and bars struck or cast in .9995 fine platinum, the highest purity standard common to modern platinum bullion products. As the rarest of the precious metals traded in numismatic and bullion markets, platinum occupies a distinct niche between gold and palladium, prized for its density, corrosion resistance, and industrial significance alongside its role as a collectible and store of metal value.
The category includes sovereign-minted coins such as the American Platinum Eagle — the only platinum coin backed by the U.S. government — as well as the Canadian Platinum Maple Leaf, the Isle of Man Noble, and various other government-issued platinum coins. The American Platinum Eagle, introduced in 1997, is struck in 1 troy oz, 1/2 troy oz, 1/4 troy oz, and 1/10 troy oz denominations in both bullion and proof finishes, while other world mint programs offer their own weight and denomination structures. Private mint platinum rounds and bars round out the category for buyers focused primarily on metal weight.
On CoinDuffle, the Platinum category brings together listings from multiple vetted dealers, spanning annual bullion strikes, collector-grade proof issues, fractional weights, and larger-format bars. Buyers will find a range of years across ongoing series as well as older or limited-issue releases. Sub-categories may include Platinum Eagles, Platinum Maple Leafs, Platinum Bars, and Platinum Rounds, making it straightforward to browse by product type or series.
Updated May 2026



