The 1945-S Micro S Mercury Dime is a fascinating piece of U.S. coin history, known for its rare small “S” mintmark. This small but important detail makes it stand out among coin collectors. Let’s dive into why this coin is so unique and sought-after by enthusiasts.
The History Behind the 1945-S Mercury Dime
The Mercury dime series, minted from 1916 to 1945, features a design of Lady Liberty wearing a winged cap, symbolizing freedom of thought. Created by Adolph A. Weinman, the design is one of the most iconic in U.S. coinage. The reverse side shows a fasces—a bundle of rods tied with an axe, representing strength and unity, along with an olive branch, symbolizing peace.
The 1945 Mercury dime is especially significant because it was the final year this design was produced. The following year, the U.S. Mint began making Roosevelt dimes, honoring President Franklin D. Roosevelt, making 1945 the end of an era for the beloved Mercury dime.
What Makes the “Micro S” Mintmark Unique?
The 1945-S Mercury Dime features the “S” mintmark, indicating it was minted in San Francisco. However, some of these coins have a much smaller “S” mintmark, leading to the term “Micro S.”
This happened because a smaller punch, typically used for coins being made for the Philippines, was accidentally used on some of the dimes in 1945. This smaller “S” mintmark makes these coins rarer and more valuable to collectors.
Identifying the Micro “S” Mintmark
To determine if a 1945-S Mercury Dime has the Micro S mintmark, look closely at the reverse side of the coin, near the fasces symbol. Below is a table that highlights the key differences between the regular and Micro S mintmarks:
| Feature | Regular “S” Mintmark | Micro “S” Mintmark |
|---|---|---|
| Size | Standard “S” mintmark | Smaller and more compact “S” |
| Shape | More elongated and larger | Thicker and rounder |
| Need for Magnification | Often visible to the naked eye | Requires magnification for clarity |
Collectors often use a magnifying glass to spot the Micro S since it can be difficult to notice at first glance.
Why Collectors Love the Micro “S” Mercury Dime
The rarity of the Micro S Mercury Dime makes it highly desirable among collectors. While most 1945-S Mercury Dimes are easy to find, the Micro S variety is much less common. Prices for this coin can range from $15 to $20 in circulated condition, but uncirculated or well-preserved coins can sell for hundreds of dollars, especially if they have “full bands” on the fasces, meaning the design is sharp and undamaged.
The value of these coins increases when they are graded by professional services like PCGS (Professional Coin Grading Service) or NGC (Numismatic Guaranty Corporation). High-grade examples are worth more, and collectors are willing to pay a premium for coins in excellent condition.
Conclusion
The 1945-S Micro S Mercury Dime stands out for its unique mintmark, making it a rare and exciting find for collectors. Although the difference is small, this variation has a big impact on the coin’s value and history. As the last of the Mercury dimes, and with its special “Micro S” mintmark, this coin holds a special place in U.S. coinage history.
Whether you’re new to collecting or a seasoned numismatist, the 1945-S Micro S Mercury Dime is a great addition to any collection. Its small mintmark tells a fascinating story of how a tiny detail can make a big difference in the world of coins.
FAQ’s
What is the Micro S Mercury Dime?
The 1945-S Micro S Mercury Dime is a rare coin known for its smaller-than-usual “S” mintmark, which was accidentally used on some dimes minted in San Francisco.
How do I identify the Micro S mintmark?
The Micro S mintmark is smaller and more compact than the regular “S.” You may need a magnifying glass to clearly see the difference on the reverse side of the coin.
How much is the 1945-S Micro S Mercury Dime worth?
The value of this coin varies. Circulated versions typically sell for $15-$20, while well-preserved or uncirculated coins can be worth several hundred dollars, especially if professionally graded.