For coin collectors and enthusiasts, the 1970-S Washington Quarter holds a unique fascination. While most quarters from this year are common and widely circulated, a few rare variants with special errors and characteristics stand out, commanding impressive prices at auctions and private sales.
These extraordinary 1970-S quarter errors offer both history and value, making them prized pieces in any numismatic collection.
1. 1970-S Quarter Overstruck on a 1941 Canadian Quarter
One of the most captivating mint errors involves a 1970-S Proof Quarter overstruck on a 1941 Canadian George VI Silver Quarter. This rare coin reveals faint remnants of the original Canadian design beneath the U.S. quarter imagery, creating a striking double-layered effect.
Graded PCGS PR66, this unique piece was listed for an astounding $40,000, showcasing just how valuable such minting anomalies can be to serious collectors.
2. 1970-S Quarter Overstruck on a George V Canadian Quarter
Another fascinating error is the 1970-S Quarter overstruck on a George V Canadian Quarter. This coin displays a blend of design elements from both the U.S. and Canadian quarters, making it an eye-catching rarity.
With a grade of PR64, this error coin has been valued at around $7,800, emphasizing the premium collectors place on such unique pieces.
3. 1970-S Quarter Struck on a Philippines 25 Centavos Coin
A rare and intriguing error is the 1970-S Quarter struck on a Philippines 25 Centavos planchet. This mix-up during the minting process resulted in a coin featuring combined characteristics of both nations’ currencies.
Also graded PR64, this distinctive coin is valued near $4,600, reflecting its rarity and the interest it generates among collectors worldwide.
4. 1970-S Doubled Die Reverse Quarter (FS-801)
The 1970-S Doubled Die Reverse (FS-801) is a sought-after variety characterized by noticeable doubling on the reverse inscriptions, especially on the words “UNITED STATES OF AMERICA” and “QUARTER DOLLAR.”
Though not as rare as the overstruck errors, well-preserved examples of this doubled die can still command strong prices, sometimes reaching $500 or more, depending on condition and market demand.
Summary of Rare 1970-S Quarters
| Coin Description | Error Type | Grade | Estimated Value |
|---|---|---|---|
| Overstruck on 1941 Canadian Quarter | Overstrike | PR66 | $40,000 |
| Overstruck on George V Canadian Quarter | Overstrike | PR64 | $7,800 |
| Struck on Philippines 25 Centavos Planchet | Wrong Planchet | PR64 | $4,600 |
| Doubled Die Reverse (FS-801) | Doubled Die | Varies | Up to $500+ |
Why These 1970-S Quarters Matter to Collectors
The 1970-S Washington Quarter series offers a fascinating look into minting errors that capture the interest of collectors and investors. From striking overstrikes to doubled die varieties, these rare coins tell a compelling story about the complexities of coin production and the surprises it can yield.
For numismatists, owning one of these rare quarters is not just about value — it’s about holding a piece of minting history that few ever get to see.
FAQs About Rare 1970-S Quarters
How can I identify if I have a rare 1970-S Quarter?
Look closely for unusual features such as overlapping designs, doubled inscriptions, or incorrect planchet materials. When in doubt, seek evaluation from a professional coin grading service like PCGS or NGC for accurate identification and grading.
Where can I sell a rare 1970-S Quarter?
Consider selling through reputable auction houses, experienced coin dealers, or trusted online numismatic marketplaces. Always ensure your coin is properly authenticated and graded to maximize its sale value.
Are all 1970-S Quarters valuable?
No. Most 1970-S quarters are common and only worth face value or a small premium. Only those with documented mint errors or unique characteristics command significant value in the collector market.