Osmium is an exceptionally rare, bluish-white metal and the densest naturally occurring element, with a density of 22.59 g/cm³. A small fraction (about 1%) of mined osmium is crafted into bullion for investors while the rest is used in industrial applications like making pen tips and electrical contacts. Osmium coins and bars exist on the … Read more
The palladium market was valued at $20 billion in 2024, projected to reach $23.6 billion by 2032. It takes 14 tons of ore to produce one troy ounce of palladium. Global production totaled 210 metric tons in 2019, expected to peak at 240 metric tons by 2032. In 2024, demand reached 11 million ounces against … Read more
White gold vermeil is jewelry made from a sterling silver base coated with a minimum 2.5-micron layer of white gold (at least 10k purity). White gold is an alloy of yellow gold mixed with white metals like silver, palladium, platinum, or nickel, then typically finished with rhodium plating for brightness. White gold vermeil it’s not … Read more
A coin relief is the raised, three-dimensional design on a coin’s surface, as opposed to a flat or incuse design, it’s what makes the imagery and lettering stand out from the background field. High relief coins have designs raised dramatically above the surface, giving them a sculptural, medallion-like look. High relief coins include the Saint-Gaudens … Read more
The global iridium market was valued at $2.7 billion in 2024, projected to reach $4 billion by 2032. Annual production is approximately 248,000 ounces against demand of 224,000 ounces, creating a current surplus. However, demand is expected to surge to 800,000 ounces by 2032, exceeding supply capacity. South Africa dominates with 250 tons of reserves … Read more
British silver hallmarks are government-regulated stamps guaranteeing silver purity, origin, and age. Five key mark types exist: Standard Mark (Lion Passant for .925 sterling, Seated Britannia for .958), Assay Office Mark, Date Letter, Maker’s Mark, and Duty Mark (1784-1890). Currently active assay offices include London (Leopard’s Head, established in 1300s), Birmingham (Anchor, 1773), Sheffield (Crown/Tudor … Read more
The global antimony market is valued at $2.1 billion, projected to reach $4.1 billion by 2035. Worldwide production is approximately 83,000 metric tons annually, down from a 2011 peak of 178,000 metric tons. China dominates with 640,000 metric tons of reserves (32% global total) and produces 40,000 metric tons yearly (48% of supply). Russia holds … Read more
A coin denomination is the face value assigned to a coin, determining its role in everyday transactions. In the United States, the highest circulating denomination is the $1 coin, while the penny is the lowest. Historically, the smallest U.S. coin was the half-cent, minted from 1793 to 1857, and the largest regular-issue circulating coin was … Read more
Gold vermeil is a high-quality jewelry material consisting of a thick layer of gold electroplated over a sterling silver base. To qualify as genuine gold vermeil, the gold must be at least 10 karats and a minimum of 2.5 microns thick. Gold vermeil offers better durability and a more luxurious appearance compared to standard gold-plated … Read more
Ever noticed a tiny letter on your coins and wondered what it means? That’s a mint mark, and it holds a wealth of history and significance. Coin mint marks have been used for thousands of years, dating back to the Ancient Greeks and Romans, who employed them to ensure accountability for coin quality. Mint marks … Read more