100 oz Silver Bars

100 oz silver bars are among the most widely recognized large-format bullion products in the silver market. Each bar contains 100 troy ounces of silver at a fineness of .999 or higher, making them a practical choice for buyers looking to acquire a significant quantity of silver in a single, consolidated piece. Common refiners producing 100 oz bars include names such as Engelhard, Johnson Matthey, PAMP Suisse, Sunshine Minting, Ohio Precious Metals, and various other COMEX-approved and private mints.

As a category, 100 oz silver bars occupy a distinct niche between smaller fractional bars and the 1,000 oz industry standard. They typically feature a simple, utilitarian design — the refiner's hallmark, the weight, fineness, and a serial number stamped or engraved directly on the bar. Some vintage bars from discontinued refiners like Engelhard and Johnson Matthey carry additional collector interest beyond their silver content, given their historical significance within the American bullion market. Most bars are sold in raw form without assay packaging, though sealed and assayed examples exist from certain refiners.

At Lone Star Coins, this collection features 100 oz silver bars from a range of refiners and vintages. Because inventory at this size turns frequently, specific brands and serial ranges vary — our "Our Choice" listings reflect what is currently in stock at our San Antonio showroom. Pricing is updated against the live spot market. Orders ship nationwide, and bars are available for in-store pickup in San Antonio. Buyers interested in smaller formats may also want to browse our 10 oz and 1 oz silver bar collections.