What makes a coin valuable
There is no single price for a coin. Value is what a buyer will pay at a given time, and it depends on several things together. Old does not automatically mean valuable, and a rare date in poor condition can be worth less than a common date in perfect condition.
The main factors
- Mintage and survival — how many were made and, more important, how many still exist in each condition.
- Condition — usually the biggest single factor. See grading basics.
- Date and mint mark — a scarce mint can multiply the value of an ordinary date. See how to find a mint mark.
- Errors and varieties — some die varieties and mint errors are sought after, but most “errors” found in change are damage. See error coin basics.
- Metal — silver and gold coins have a floor tied to the metal price. See silver coin basics.
- Demand and eye appeal — popular series sell more easily, and attractive toning or strong luster can bring a premium.
- Originality — cleaned, polished or damaged coins sell at a discount. See why not to clean coins.
Why ranges, not one number
Real sale prices for the same coin vary with the grade, the selling channel (dealer, auction, private sale), timing and fees. Price guides are averages, and a dealer’s buying price is lower than the retail price because the dealer has to resell. That is why MintPriced shows an estimated range for Circulated or Uncirculated when it has one, or says “needs an expert check” — never an offer or appraisal.
How to get a reliable value
- Confirm the exact date, mint mark and variety.
- Judge condition honestly, in good light.
- Compare recent completed sales of the same coin in the same grade, not asking prices.
- For anything that might be valuable, ask a reputable dealer, a coin club, or a grading service such as PCGS or NGC before selling.
Beware of “rare coin” headlines
Stories about pocket change worth thousands usually describe a single coin in exceptional condition or a specific variety. Most coins of that date are worth face value. Check the details, and be cautious about counterfeits of popular rarities — NGC publishes counterfeit detection guides.
Sources and further reading
Related question in the coin FAQ: How do I know if my coin is valuable?
General information, not financial or appraisal advice. Values depend on condition and the buyer; ask a qualified dealer or grading service before buying or selling.