What collectors should know about cleaned coins, details grades, and authenticating short snorters and their signatures.

As rising silver prices squeeze commemorative coin programs, mints around the world are raising prices, changing alloys, cutting mintages, and finding new ways to keep collectors interested.

Rare coins might be cool to look at, but their monetary value is largely based on the same thing as any other asset: supply and demand. Which are worth buying?

While many of us spent the COVID-19 pandemic making sourdough starter and tie dye shirts, a large coterie of people started investing in rare coins. As thousands of new collectors entered the market, ...