Some coins are worth far more than their face value, and collectors are willing to pay millions for rare pieces. Among these, a specific quarter has been valued at an astonishing $18.4 million! But that’s not all—many dimes and other coins could be worth a fortune. This guide will help you identify eight of the rarest coins, their history, and how to check if you have one in your possession.
Table of Contents
- The $18.4 Million Quarter – Why So Expensive?
- 8 Rare Dimes and Coins Worth a Fortune
- How to Identify a Rare Coin
- Where to Sell Rare Coins
- Conclusion
- FAQs
The $18.4 Million Quarter – Why So Expensive?
This ultra-rare quarter is so valuable because of its unique minting error, historical significance, and collector demand.
Key Factors That Increase Value:
- Minting Errors – Some coins have double strikes, off-center prints, or incorrect metals.
- Limited Production – Coins with low mintage numbers are highly sought after.
- High Collector Demand – The rarity and desirability among collectors significantly increase the price.

8 Rare Dimes and Coins Worth a Fortune
Here are eight of the most valuable coins ever sold:
Coin Name | Year | Estimated Value | Key Features |
---|---|---|---|
$18.4 Million Quarter | 1794 | $18.4 million | The first U.S. quarter ever minted, extremely rare |
1894-S Barber Dime | 1894 | $2 million | Only 24 dimes were made, and fewer than 10 exist today |
1913 Liberty Head Nickel | 1913 | $4.5 million | Only five known examples exist |
1796 Draped Bust Dime | 1796 | $1.8 million | One of the earliest dimes, with fewer than 1,000 surviving |
1804 Silver Dollar | 1804 | $7.6 million | Known as the “King of American Coins” |
1943 Copper Penny | 1943 | $1.7 million | Mistakenly struck in copper instead of steel |
1870-S Seated Liberty Dollar | 1870 | $2.1 million | Less than 10 coins exist today |
1838-O Capped Bust Half Dollar | 1838 | $500,000+ | Extremely low mintage from the New Orleans Mint |

How to Identify a Rare Coin
1. Check the Date
Certain years have rare editions. Look for coins from 1794, 1804, 1870, 1894, 1913, and 1943.
2. Look for Minting Errors
- Double strikes (letters or images appearing twice)
- Off-center designs
- Wrong metal composition
3. Examine the Mintmark
The mintmark, usually found on the front or back of the coin, can impact its rarity.
4. Get It Professionally Graded
If you think your coin is rare, submit it to grading services like PCGS or NGC for verification.
Where to Sell Rare Coins
If you own a valuable coin, consider selling it through:
- Auction Houses – Heritage Auctions, Stack’s Bowers
- Online Marketplaces – eBay, Coin World
- Professional Coin Dealers – Local numismatic shops
Conclusion
Finding a valuable coin in your collection can be life-changing. Whether it’s the $18.4 million quarter or a rare 1894-S Barber Dime, these treasures hold immense historical and financial value. Always verify your coins through experts before selling, and you may just have a fortune in your hands!
FAQs
1. What is the most expensive quarter ever sold?
The most expensive quarter is a 1794 U.S. quarter, valued at $18.4 million.
2. How can I tell if I have a valuable dime?
Check the date, mintmark, and for any minting errors. Certain years, such as 1894 and 1796, have rare and valuable dimes.
3. What should I do if I find an old coin?
Never clean an old coin! Take it to a professional grading service like PCGS or NGC to verify its authenticity.
4. Are rare coins still in circulation?
Yes, but finding them is rare. Some 1943 Copper Pennies and valuable dimes still appear in pocket change.
5. Where can I sell a valuable coin?
You can sell rare coins through auction houses, coin dealers, or online marketplaces like eBay.