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Buying and Selling

Grading, counterfeits and getting a fair deal.

Rows of corroded ancient coins with square center holes laid out on a white background.
Buying and Selling

When to Get a Coin Professionally Graded (and When to Skip It)

A step-by-step timeline for deciding when professional coin grading is worth the fee and when the cost exceeds any possible gain in value.

By The 52Tunbi Coin Team
Two old Chinese bronze coins with square holes sit on a clear display stand behind museum glass.
Buying and Selling

A Timeline for Buying Coins Online, From Search to Delivery

A stage-by-stage timeline for a first-time online coin purchase: vetting sellers, comparing prices, paying safely and using the return window.

By The 52Tunbi Coin Team
A close-up of a gold-colored dollar coin
Buying and Selling

How to Spot Counterfeit Coins

Which coins are most often faked, simple checks for weight, size, details and edges, the ‘COPY’ rule for replicas and how to buy with confidence.

By The 52Tunbi Coin Team
A glass jar on its side with coins spilling onto a table
Buying and Selling

How to Sell a Coin Collection, Including Inherited Coins

How to sell coins for a fair price: take inventory, research values, compare dealers, auctions and online sales, handle inherited coins and plan for taxes.

By The 52Tunbi Coin Team
A coin under a magnifying glass on a blue background
Buying and Selling

Coin Grading Basics: The 1 to 70 Scale Explained

How coin grading works: the Sheldon 1 to 70 scale, the main grade levels, what graders look for, proof coins and when professional grading is worth it.

By The 52Tunbi Coin Team
A collector examining coins with a loupe at a market
Buying and Selling

How to Buy Coins Safely and Avoid Overpaying

Where to buy coins, how to research fair prices, what to know about dealers, auctions and online marketplaces, and the sales pitches that should make you wary.

By The 52Tunbi Coin Team
About 52Tunbi

Beginner-friendly guides to collecting U.S. coins, from pocket change to grading, errors and selling an inherited collection.

We don’t buy or sell coins, and no dealer pays to appear here.

New guides
  • Buying Your First Ancient Coin: A Simple Timeline
  • When to Get a Coin Professionally Graded (and When to Skip It)
  • If Your Coins Have Green Crust on Them
  • What Coin Collecting Supplies Really Cost
  • What a Coin Appraisal Really Costs
Topics
  • Albums and Supplies (7)
  • Buying and Selling (6)
  • Coin History (5)
  • Getting Started (6)
  • Gold and Silver (5)
  • Paper Money (7)
  • U.S. Coins (5)
  • World Coins (6)
  • How We Research
  • Affiliate Disclosure
  • Privacy Policy
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