Gold and Silver Coin Values

Bullion coins vs numismatic coins: two ways a coin is priced

A gold or silver coin is worth its melt value plus a premium, and the size of that premium depends on whether the market treats it as bullion or as a collectible. Bullion coins follow the spot price closely. Numismatic coins are priced on rarity and condition, and their metal only sets a floor.

The middle ground: semi-numismatic coins

Between the two sits a group the trade calls semi-numismatic. Common-date pre-1933 U.S. gold such as the Saint-Gaudens $20 belongs here, along with circulated Morgan and Peace dollars. These coins carry a modest collector markup, but they still rise and fall with the metal, and in a sharp rally the markup often shrinks as a share of the price.

Proof and uncirculated versions of bullion coins

Mints sell collector finishes of their bullion designs: mirror-like proofs, satin burnished coins, special sets. They cost more than the plain bullion coin on release. On resale, the extra is set by collector demand rather than metal, so a proof Gold Eagle and a bullion Gold Eagle hold identical gold but can bring very different bids.

How to value a coin you already own

Most coins that come out of a drawer or an estate can be priced in five steps. None of them requires special equipment beyond a gram scale and a magnifier.

1. Identify the exact coin: country, denomination, date and mint mark. A 1964 Kennedy half and a 1965 look almost identical, yet one holds more than twice the silver of the other.
2. Find the fine metal content, not the gross weight. A 1 oz Gold Eagle weighs 33.931 g on a scale but holds one troy ounce of gold; the rest is alloy.
3. Multiply fine troy ounces by the spot price of the metal to get melt value.
4. Check whether the date or mint mark is scarce before accepting a melt-based offer.
5. Collect bids from more than one buyer and compare each against melt.

For step three, the gold spot price page shows the benchmark dealers quote from, and the tables above already do the multiplication for each coin.

Troy ounces vs the kitchen scale

Precious metals are weighed in troy ounces of 31.1035 grams. A kitchen or postal scale reads avoirdupois ounces of 28.35 grams, about 9% lighter. Weigh a 1 oz gold coin on a kitchen scale and it reads roughly 1.1 oz, which makes some owners think they have more gold than they do. Switch the scale to grams and divide by 31.1035.

Pre-1965 dimes, quarters and halves

Circulated U.S. silver coinage dated 1964 and earlier is 90% silver and trades in bulk by face value rather than one coin at a time. The junk silver calculator handles that math for mixed dimes, quarters and halves.

What you pay above melt, and why

• Dealer premium: the ask over melt covers minting, shipping, insurance and margin. The gap between what a dealer charges and what it pays is the spread.
• Fractional sizes cost more per ounce. A 1/10 oz coin takes nearly as much work to strike, package and ship as a 1 oz coin.
• Sales tax on coins depends on the state, and many states exempt bullion or exempt purchases above a threshold.
• The IRS treats coins and bullion as collectibles, so long-term gains face a maximum federal rate of 28% rather than the usual capital gains rates.
• Only certain coins can go in a self-directed IRA. American Eagles are named in the tax code; other bullion must meet a minimum fineness, and collector coins are excluded.

State rules vary more than most buyers expect; the gold sales tax by state table lists them.

Comparing coins of different sizes

The cleanest way to compare offers is price per ounce of fine metal: divide the price of the coin by its fine content. As a worked example, a 1/10 oz coin offered at $350 costs $3,500 per ounce of gold, and a Centenario offered at $3,800 costs $3,151.70 per ounce because it holds 1.2057 oz. The numbers are illustrations only, but the method works on any quote.

Mistakes that cost coin owners money

• Cleaning a coin. Polishing or dipping leaves hairlines that graders spot at once, and it can cut a collectible coin’s value to little more than melt.
• Paying a collector premium for a common bullion coin in a grading holder. A top grade on a modern bullion coin is not rare in the way an old coin in the same grade can be.
• Confusing gold-plated “tribute” pieces with real coins. Replicas and plated medals are sold widely and often contain almost no gold.
• Assuming an old date means rarity. Many 19th-century coins were struck by the million and trade near melt.
• Selling to the first buyer. Bids on the same coin can differ noticeably, so compare several; the guide to where to sell gold explains the options.

Terms you’ll meet on price lists

Coin prices ultimately trace back to the metal, so it helps to keep an eye on the gold price today alongside any dealer list.