What "junk silver" means on a listing

On a silver listing, "junk silver" is shop slang. It usually means circulated U.S. dimes, quarters, and half dollars whose extra value is the silver in the alloy, not a collector grade on a slab.

This page is a description of the label. It is not which product to buy, not a live quote, and not advice.

Shop slang, not an insult

"Junk" here is not a claim that the coins are worthless scrap. Dealers use the word for older circulating coinage that is 90% silver and 10% copper by weight, traded as metal rather than as a scarce collectible.

These coins were not struck as 1 oz bullion. A dime, a quarter, or a half has a small, fixed silver content. The face value stamped on the coin is legal status from when it circulated. It is not the market price of the metal.

For the map of coins, rounds, bars, and 90% side by side, see Stacking basics: coins, rounds, bars. For how melt products differ from collector objects, see Bullion vs numismatic.

Figure. Two labels on the same coin silhouette: face value (legal status) vs fine silver (metal content estimated from alloy and wear). Teaching marks only. Not a live quote. Not a product endorsement.

What dates usually mean

For decades, U.S. dimes, quarters, and half dollars were 90% silver and 10% copper. The Coinage Act of 1965 removed silver from circulating dimes and quarters and reduced it in half dollars (those halves later went to copper-nickel clad).

As a rule of thumb:

• U.S. dimes and quarters dated 1964 or earlier are 90% silver.
• Half dollars dated 1964 or earlier are also 90% silver.
• Do not assume a later date is silver.

The 10% here is copper in the circulating alloy. It is not a silver origin statute and not a purity test for modern .999 bullion.

How listings and bags are written

A listing that says "junk silver," "90%," or "constitutional silver" is usually pointing at that circulated alloy, not at a 1 oz Eagle or a .999 bar.

Dealers often trade 90% in bags measured by face value (for example, a bag labelled by total face dollars) and estimate fine ounces from that face value, adjusting for wear. Circulated coins are slightly lighter than mint-spec coins, so the melt is an estimate, not a lab assay of each piece.

When you read an invoice, get both the face-value quantity and the estimated fine ounces in writing when the seller is quoting 90% that way. See How to read a dealer invoice.

Melt math without a quote

Melt for .999 bullion is ounces of fine silver times the spot reference the seller is using. Melt for 90% coin has to use 0.900 fineness, not 0.999, and it has to start from the estimated fine ounces in that bag or roll, not from "one ounce each."

Ninety percent silver is less fine than a .999 bar on purpose. The copper made circulating coins last. Spot quotes and premiums still sit on top of that melt arithmetic. See What spot price means and Silver premiums, explained.

This page does not print a face-to-fine conversion factor. Wear varies, and dealers do not all use the same adjustment. If a listing shows an estimated fine-ounce figure, treat it as that seller's estimate for that lot.

What "junk" is not

Name the alloy before you name the melt.

• War nickels (1942-1945 with the large mintmark) are a different wartime alloy. They are not "90% junk."
• Kennedy half dollars dated 1965-1970 are 40% silver, not 90%.
• Modern clad dimes and quarters after the mid-1960s are not silver just because they look similar in a drawer.
• A graded, scarce date in a slab is a collector object. "Junk" language on a listing is about metal content, not about that market.

Circulated 90% is also easier to mistake for modern clad if you do not check the date and the edge. The word on the listing does not replace reading the date.

This article is educational only. It is not a recommendation to buy or sell silver, and it is not tax or investment advice. Site disclaimer: Educational disclaimer.

FAQ

What does "junk silver" mean on a listing?

Shop slang for circulated U.S. dimes, quarters, and half dollars whose extra value is the silver, not a collector grade.

Is "junk" an insult?

No. It is dealer language for metal-content coinage, not a claim that the coins are worthless.

Which dates are 90%?

As a rule of thumb, U.S. dimes and quarters dated 1964 or earlier, and half dollars dated 1964 or earlier. Do not assume a later date is silver.

Is a junk bag the same as a 1 oz coin?

No. These coins were not struck as 1 oz bullion. Fine ounces are estimated from face value and wear.

Are war nickels or 40% Kennedys "junk"?

Not in the 90% sense. Name the alloy first. War nickels (1942-1945 with the large mintmark) and 40% Kennedy halves (1965-1970) are different stories.

Which product should I buy?

This page does not answer that. It explains the label.