When you inherit a coin collection, federal tax law resets each coin’s cost basis to its fair market value on the date the previous owner died, and any profit above that basis when you sell is taxed as a long-term collectibles gain at a maximum federal rate of 28%. High-income heirs may owe an additional 3.8% surtax. The tax rules for an inherited coin collection differ from the rules for inherited stocks or mutual funds in one important way: coins are collectibles, so the favorable 0/15/20% long-term capital gains rates don’t apply to them.
Stepped-Up Basis Is the Core Benefit
The single most valuable tax rule for heirs is the stepped-up basis. When you inherit coins, their tax basis resets to the fair market value on the date the original owner died.1Office of the Law Revision Counsel. 26 USC 1014 – Basis of Property Acquired From a Decedent If your parent bought a coin for $200 thirty years ago and it was worth $5,000 the day they passed away, your basis is $5,000, not $200. Sell it immediately for $5,000 and you owe nothing. That $4,800 of appreciation during the original owner’s lifetime is never taxed to anyone.
The step works in both directions. If a coin was worth less on the date of death than what the decedent originally paid, your basis steps down to the lower value. Selling later above that stepped-down basis produces a taxable gain; selling below it produces a deductible capital loss.
The Alternate Valuation Date
The estate’s executor can elect to value assets six months after death rather than on the date of death. This alternate valuation election is only available when it would decrease both the total estate value and the estate tax owed.2Office of the Law Revision Counsel. 26 US Code 2032 – Alternate Valuation
The tradeoff matters to you as the heir. If coin prices fell in the months after the death, the election can reduce estate tax, but it also lowers your stepped-up basis, which can raise your capital gains tax when you sell. Talk it through with the estate’s tax advisor before the executor files.
Why Coins Are Taxed at Up to 28%
Here is where inherited coins part company with inherited stocks. The IRS classifies coins as collectibles, and long-term gains on collectibles are taxed at a maximum federal rate of 28%, compared with the 0%, 15%, or 20% rates that apply to most other capital assets.3Office of the Law Revision Counsel. 26 USC 1 – Tax Imposed The statute defines collectibles by reference to the items listed in the IRA prohibited-transaction rules, but strips out the exception for certain U.S. Mint coins. In plain terms, every coin you sell at a profit gets the collectibles rate, whether it’s a rare colonial piece or a modern American Eagle.
The 28% figure is a ceiling, not a flat rate. If your ordinary income tax bracket is lower than 28%, your collectibles gain is taxed at that lower bracket instead. The rule is that collectibles cannot be taxed at more than 28% federal, no matter how high your income is.
Inherited Coins Are Automatically Long-Term
All inherited property qualifies for long-term capital gain treatment regardless of how long you held it before selling. Even if you sell the day after the estate closes, the gain is long-term. You never have to worry about the one-year holding period that applies to assets you buy yourself.
The 3.8% Net Investment Income Surtax
If your modified adjusted gross income exceeds $200,000 (single) or $250,000 (married filing jointly), a 3.8% net investment income tax applies to the lesser of your net investment income or the amount by which your income exceeds those thresholds.4Office of the Law Revision Counsel. 26 USC 1411 – Imposition of Tax Collectibles gains count as net investment income.
That means the true maximum federal rate on inherited coin profits is 31.8%, not 28%. A large collection sale can push you over the income threshold for a single year even if you normally fall well below it. Spreading sales across multiple tax years, when practical, can keep more of the gain under the surtax threshold.
Get a Date-of-Death Appraisal Before You Do Anything Else
Your stepped-up basis is only useful if you can prove it. Without a written appraisal setting the fair market value on the date of death, the IRS can assign a basis of zero and tax the full sale price as gain.
For high-value collections, hire a professional appraiser. Reputable appraisers are often members of the American Numismatic Association or the Professional Numismatists Guild. Expect roughly $150 to $400 per hour for a formal estate or tax-related appraisal, or a flat fee for larger collections. One rule matters here: the appraiser’s fee should never be based on a percentage of the collection’s value, because that creates an obvious incentive to inflate numbers, and the IRS knows it.
Keep the appraisal, along with any grading certificates, sale receipts, and auction settlement statements, with your tax records. If the IRS questions your basis years later, the appraisal is your proof.
Reporting the Sale on Form 8949 and Schedule D
You report the sale of inherited coins on Form 8949 and Schedule D of your federal return. Because inherited property is automatically long-term, use Part II of Form 8949. In column (b), where you would normally enter the date you acquired the asset, write “INHERITED.” For the cost basis in column (e), enter the fair market value on the date of death, or the alternate valuation date if the executor elected it. The difference between your sale price and that basis is your taxable gain or deductible loss.5Internal Revenue Service. Instructions for Form 8949 (2025)
The totals from Form 8949 flow to Schedule D, where the collectibles gain gets separated from other capital gains and taxed at the 28% rate.6Internal Revenue Service. About Form 8949, Sales and Other Dispositions of Capital Assets Schedule D handles the rate calculation through its own worksheet; you don’t apply the 28% rate yourself on Form 8949.
Cash Reporting by the Dealer Is Not a Tax
Two federal reporting rules can involve the dealer or auction house who buys from you, and heirs often confuse them with tax liability. They are separate.
If you receive more than $10,000 in cash from a single sale, or from related sales that add up to more than $10,000 within a year, the dealer must file IRS Form 8300 reporting the transaction. The IRS lists coins and collectibles among the transaction types that trigger this requirement.7Internal Revenue Service. IRS Form 8300 Reference Guide Form 8300 is a reporting obligation. It does not change what you owe. It only means the IRS knows about the sale.
Dealers sometimes also file Form 1099-B when buying certain precious metals from you. Whether this applies depends on the metal, the form it takes, and the quantity sold. A sale of precious metal in a form for which the Commodity Futures Trading Commission has approved trading by regulated futures contract is reportable only if the quantity meets or exceeds the minimum delivery amount for that contract. A single gold coin, for example, generally does not trigger a 1099-B if approved contracts require delivery of at least 25 coins. Dealers must aggregate sales from the same customer within a 24-hour period when applying the threshold.8Internal Revenue Service. Instructions for Form 1099-B
Even if no 1099-B is filed, you still owe tax on any gain. The absence of a reporting form doesn’t change your obligation to report the sale on Form 8949 and Schedule D.
Practical Ways to Manage the Tax Hit
A few decisions can meaningfully change the tax you pay on an inherited collection.
Establish the date-of-death value in writing before you sell anything. This locks in your basis. If prices have risen sharply since the death, selling promptly can keep most of the sale price inside your stepped-up basis and generate little or no gain.
If the collection is large enough that a single-year sale would push you over the $200,000 or $250,000 net investment income tax threshold, consider selling over two or more tax years. The 28% collectibles rate still applies, but you may avoid the extra 3.8% surtax on part of the gain.
Track losses as well as gains. Coins that were worth less on the date of death than the price you receive produce a gain, but coins that sell for less than their stepped-down or stepped-up basis produce a capital loss you can use to offset other gains on Schedule D. Selling winners and losers in the same year can reduce your net taxable gain.
Finally, if the estate is large enough to owe federal estate tax, coordinate with the executor on the alternate valuation election before it’s filed. The election is the executor’s to make, but it directly changes the basis you inherit, and once made it cannot be casually undone.