2018-S Silver Roosevelt Dime Value: Price and Grading Guide

The 2018-S Silver Roosevelt Dime is worth anywhere from $8 in Proof 69 condition to over $60 if it achieves a perfect Proof 70 grade. Unlike the dimes you find in your pocket change today, this specific coin was minted exclusively for collectors and contains 90% pure silver, making it a prized find for many Americans.

Condition / Grade	Estimated Market Value
PR 67 (Proof)	$5 – $7
PR 69 Deep Cameo	$8 – $12
PR 70 Deep Cameo	$35 – $65

How to Identify the 2018-S Silver Roosevelt Dime

If you have stumbled upon a shiny 2018 dime, the first thing you need to do is check the mint mark. Located just above the date, you should see a small “S,” which indicates it was produced at the San Francisco Mint. However, not all “S” dimes are silver. Identifying the metal composition is crucial because standard circulating dimes are made of a copper-nickel clad.

The 2018-S Silver Roosevelt Dime was issued part of the annual Silver Proof Set. If you are unsure if your coin is the silver version or the standard clad version, you can check the edge of the coin. A silver dime will have a solid silver-colored edge, while a clad dime will show a distinct copper stripe. Using a top coin identifier app can help you confirm these details instantly by analyzing the luster and strike quality.

Because these were never intended for circulation, they usually appear in pristine, mirror-like condition. If you find one that looks exceptionally “frosty” on the portrait of Roosevelt with a deep, reflective background, you likely have a “Deep Cameo” specimen. Testing it with the CoinKnow app can provide a quick digital scan to see if the visual characteristics match high-value proof strikes.

The Precious Metal Content and Intrinsic Value

One reason the 2018-S Silver Roosevelt Dime value remains high compared to face value is its 90% silver content. Each coin contains approximately 0.07234 troy ounces of pure silver. This means that even if the coin were damaged, it would still be worth its “melt value,” which fluctuates based on the daily spot price of silver.

Historically, the US Mint transitioned most dimes to clad in 1965, but they continue to produce silver versions for collectors. When checking the 2018 silver dime melt value and collector premiums, you will notice that the numismatic (collector) value almost always exceeds the raw silver price. This is due to the limited mintage numbers and the high demand from set builders.

Investors often buy these dimes in bulk via Silver Proof Sets to hedge against inflation. If you find a loose coin, it likely came from a broken-up set. While the silver is a great “floor” for the price, the condition is what really drives the profit. Recording your finds in CoinKnow allows you to track the total silver weight and market premium of your growing collection in real-time.

Feature	Specification
Composition	90% Silver, 10% Copper
Weight	2.50 Grams
Diameter	17.91 mm
Mint Mark	S (San Francisco)

Grading and the Difference Between PR69 and PR70

In the world of coin collecting, “Proof” (PR) is a method of manufacture, not a condition, but the grade assigned to that proof matters immensely. Most 2018-S Silver Roosevelt Dimes will grade at PR69. This means the coin is nearly perfect to the naked eye but might have a tiny, microscopic flaw visible under 5x magnification.

A PR70 grade is the “Holy Grail” for modern collectors. This indicates a perfect coin with no post-production imperfections. The price jump from a 69 to a 70 can be quite significant. For example, the current market data for 2018 silver dimes shows that perfect specimens can command triple the price of their near-perfect counterparts.

When you are examining your coin, look for “hairlines” (tiny scratches) or “milk spots” (cloudy white spots). These are common on modern silver coins and can quickly drop a grade from a 70 down to a 68 or lower. Professional grading by companies like PCGS or NGC is the only way to officially certify a PR70 grade, which is essential if you plan to sell your coin at a premium at auction.

Mintage Numbers for the 2018-S Silver Dime

The rarity of a coin is often determined by its mintage—how many were actually produced by the U.S. Mint. For the 2018-S Silver Proof series, the mintage was relatively low compared to the millions of dimes produced for circulation in Philadelphia and Denver. Approximately 500,000 to 600,000 of these silver dimes were produced as part of the standard Silver Proof Sets.

Additionally, a special “Reverse Proof” version was released in 2018 as part of the 50th Anniversary Silver Reverse Proof Set. These coins have a frosted background and a mirror-like finish on the raised parts of the design (the opposite of a standard proof). These are even more sought after by collectors and have a distinct look that sets them apart from the regular 2018-S Silver Roosevelt Dime.

Understanding mintage helps you realize why your “S” mint marked coin is special. While you might find a 2018-P or 2018-D dime in your change every day, the “S” silver version is a restricted-mintage item. Many collectors use CoinKnow to cross-reference mintage figures with recent auction sales to ensure they aren’t overpaying for common dates.

Set Type	Coin Finish	Estimated Mintage
Annual Silver Proof Set	Deep Cameo Proof	~512,000
50th Anniv. Reverse Proof Set	Reverse Proof	~200,000

Market Trends: Is the 2018-S Silver Dime a Good Investment?

Modern silver proofs are generally considered “stable” investments. They don’t typically see the massive price explosions that 19th-century rarities do, but they grow steadily as silver prices rise and as more collectors enter the hobby. The 2018-S Silver Roosevelt Dime value is currently in a healthy spot because the 2010-2020 era of silver proofs is becoming more popular for “registry set” participants.

A registry set is a competitive way for collectors to display their coins online, and everyone wants a perfect PR70 for their 2018 slot. This creates a constant demand for high-grade specimens. If you have a raw coin that you think is a 70, it might be worth the $20-$30 grading fee to have it certified, as the ROI (Return on Investment) can be double your costs.

If you are looking to sell, avoid pawn shops, as they usually only offer melt value. Instead, look for reputable coin dealers or online auction platforms where collectors congregate. Keeping an eye on apps like CoinKnow will help you spot price trends so you can sell when the market for modern silver is peaking.

FAQ

Q: Can I find a 2018-S Silver Dime in my pocket change?

A: It is extremely rare, but possible. These were sold in sets to collectors. Occasionally, a set is stolen or spent by someone who doesn’t know its value, and the coin enters “the wild.” If you find a 2018 dime with an “S” mint mark, keep it—it’s worth much more than ten cents!

Q: What is the difference between a Silver Proof and a Clad Proof?

A: Both have the “S” mint mark, but the silver version is 90% silver and white-silver on the edge. The clad version is made of copper and nickel and will show a brown or orange copper stripe on the edge. The silver version is significantly more valuable.

Q: How much silver is in a 2018-S Silver Roosevelt Dime?

A: It contains 2.25 grams of 90% fine silver, which equates to roughly 0.0723 troy ounces of pure silver bullion.

Q: Should I clean my 2018-S Silver Dime to make it shinier?

A: Never clean your coins! Even a soft cloth can leave microscopic scratches that will ruin the “Proof” finish and lower the grade from a PR69 to a “Details” grade, significantly reducing its collector value.

Q: Where is the mint mark on a 2018 Roosevelt Dime?

A: The mint mark (P, D, or S) is located on the obverse (front) of the coin, just above the date and to the right of Roosevelt’s neck.