Coin Basics & Identification

A plain-language guide to common coin abbreviations like MS, AU, OBV, REV, DDO and more seen in listings, forums and grading slabs.

Slabbing means sealing a coin in a tamper-evident holder after grading. Here’s how the process works and why collectors use it.

Learn simple, practical steps for photographing your coins at home to build a personal record of your collection’s condition over time.

Learn the most common coin collecting mistakes beginners make—from cleaning coins to skipping research—and how to avoid them.

Coin albums, folders, and individual holders each store coins differently. Learn how they compare for protection, display, and cost.

A beginner’s guide to starting a coin collection: what to gather, how to identify coins, and how to build knowledge before spending.

A plain-English glossary of essential coin collecting terms every beginner should know before buying or grading coins.

A plain-language look at what third-party coin grading services check, encapsulate, and certify — and what they don’t promise.

Learn what coin population reports actually track, how grading services build them, and their real limits for collectors.

A plain-English guide to key date coins: what makes a date/mint mark scarce, and why collectors pay attention to it.