Market guide: This article explains valuation factors. It is not a customer testimonial, completed transaction, promise or appraisal.

Every gold coin belongs to one of two markets, and the first job in selling one is figuring out which. In the bullion market a coin is priced on its gold content plus a small premium, and one common one-ounce coin is interchangeable with any other of the same type. In the collectible market a coin is priced on rarity and grade, and two coins of the same design and weight can be worth wildly different amounts. Selling a bullion coin is nearly a commodity transaction. Selling a collectible coin as if it were bullion is how genuine value disappears into a melting pot.

The classic modern bullion coins are built to make the metal easy to buy and sell. An American Gold Eagle contains one troy ounce of gold, though it is a 22-karat alloy hardened with copper and silver so the total coin weighs more than an ounce. A Krugerrand is the same idea: one ounce of gold in a durable 22-karat coin. A Canadian Maple Leaf and an American Buffalo take the other approach and are struck in 24-karat, .9999 fine gold. In every case the point is that the gold content is fixed and known, which is what makes these coins trade close to the metal.

Bullion coins carry a premium over their raw metal value, and understanding it prevents a bad sale. When you buy a bullion coin you pay spot plus a premium that covers minting and distribution; when you sell, you receive something between spot and that retail price depending on the buyer and the coin's liquidity. Widely recognized coins like Eagles, Maple Leafs, and Krugerrands sell easily and hold a modest premium because dealers can move them fast. The premium is real money on a stack of coins, so a bullion sale is still worth shopping even though the underlying metal is a commodity.

Collectible gold coins run on different rules entirely. Pre-1933 United States gold — the Liberty and Saint-Gaudens Double Eagles, and their smaller denominations — were circulating money, and surviving examples are priced on date, mint mark, and grade far more than on their roughly .9675-fine gold content. A common-date Double Eagle in worn condition may sell near a modest premium to melt, while a scarce date or a high-grade example commands a large numismatic premium. The gold in the two coins is nearly identical. The prices are not, and only a collector-aware evaluation can tell them apart.

Condition is decisive for the collectible coins and close to irrelevant for the bullion ones. A one-ounce bullion coin with a few contact marks is still worth an ounce of gold plus its premium, because buyers assume some handling. A pre-1933 collectible coin's grade, however, can multiply or divide its value, and small differences near the high end of the grading scale move price sharply. This is why scarce coins are worth submitting to a third-party grading service before sale: an authenticated, graded coin in a sealed holder removes the authenticity and condition arguments that a buyer would otherwise use to discount your price.

There is also a counterfeiting reality that shapes how gold coins are sold. Popular bullion and collectible coins are among the most faked objects in the market, and a serious buyer authenticates before quoting — checking weight, diameter, and thickness against known specifications, and often using non-destructive electronic or X-ray testing. This is a reason not to be offended when a buyer scrutinizes your coins, and a reason to be wary of any buyer who does not, because a buyer who cannot tell a fake from a real coin is not a buyer you want setting a price on your real ones.

For the bullion coins, selling well is mostly about liquidity and premium. Sell the widely recognized types rather than obscure ones, keep them in any original tubes or assay cards if they came that way, and get quotes from more than one buyer because the premium you recover varies. Do not clean them, do not pry them out of graded holders, and do not accept a pure-melt offer on a recognized bullion coin that should carry a premium over its metal. The whole appeal of a standard bullion coin is that it sells near a known value, so a lowball is easy to spot.

For the collectible coins, the order of operations is different: identify before you sell. Get the date and mint mark read, find out whether the issue is common or scarce, and if there is any chance it is valuable, have it graded before you accept a price. A buyer who prices gold coins only by weight is the wrong buyer for a scarce pre-1933 piece, and handing such a coin across a scrap counter is the single most expensive mistake in this category. Our sell gold process separates coins that carry a numismatic premium from those that trade as metal, so the collectible ones are priced as collectibles.

The summary is a sorting rule. If your gold coin is a common modern one-ounce bullion type, sell it on its metal plus premium and shop the premium. If it is old, a pre-1933 US denomination, a foreign historic coin, or anything you cannot confidently identify, treat it as potentially collectible and get it evaluated as a coin before anyone weighs it. The bullion coins reward speed and comparison shopping. The collectible coins reward patience and identification, and confusing the two is the error that quietly costs the most.

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