The old cliché about finding rare and valuable coins is that you should start by digging around in your couch cushions. That’s not necessarily bad advice. However, chances are the only loose change ...

If you’re just starting out with coin collecting, knowing which coins to look for can feel a bit overwhelming. There are countless types of coins, but some stand out because they’re rare, valuable, ...

The 1851 $50 gold slug was one of the first coins minted in San Francisco. Seth Chandler / Witter Coin You know what they say: If you find a gold octagonal $50 slug from 1851, pick it up. All day long ...

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San Francisco is about to turn into a real-life treasure map, and the stakes are staggering — with thousands of dollars on the line. A Marina District coin shop is dropping a fortune across the city, ...