1970 Quarter Value Chart: The 1970 Washington Quarter is a fascinating piece for coin collectors, thanks to its historical significance and the unique mint errors and variations that can dramatically increase its value. For those looking to appraise or collect these coins, understanding their intricacies is crucial.
Key Details of the 1970 Washington Quarter
The 1970 Washington Quarter was minted in three locations:
- Philadelphia (no mint mark): Approximately 136,420,000 coins produced.
- Denver (“D” mint mark): Around 417,341,364 coins minted.
- San Francisco (“S” mint mark): About 2,632,810 proof coins created.
These coins are made from a copper-nickel clad composition, weigh 5.67 grams, have a diameter of 24.3 mm, and feature a reeded edge.
Factors That Influence 1970 Quarter Values
- Condition (Grade):
The coin’s state is a primary factor in determining its worth. Coins are graded using the Sheldon scale, which ranges from Poor (P-1) to Perfect Uncirculated (MS-70). Coins in Mint State (MS) condition, especially those rated MS-60 and above, are highly valuable. - Mint Mark:
The mint mark indicates where the coin was produced and can influence its rarity and desirability. San Francisco proof quarters, for example, are often sought after by collectors. - Mint Errors and Variations:
Unique minting errors, such as off-center strikes or double-die designs, can significantly increase a coin’s value due to their rarity and appeal.
1970 Quarter Value Breakdown
| Mint Mark | Condition | Estimated Value Range |
|---|---|---|
| None | Circulated | $0.30 – $1.00 |
| None | Uncirculated | $5.00 – $10.00 |
| None | MS-60+ | $15.00 – $245.00 |
| D | Circulated | $0.30 – $1.50 |
| D | Uncirculated | $5.00 – $10.00 |
| D | MS-60+ | $20.50 – $110.00 |
| S (Proof) | Circulated | $0.30 – $1.40 |
| S (Proof) | Uncirculated | $5.00 – $20.00 |
| S (Proof) | MS-60+ | $30.00 – $1,000+ |
Significant Mint Errors and Their Values
- 1970-S Proof Quarter Struck on a 1941 Canadian Quarter:
This is one of the most famous mint errors from the series. The mistake of striking the proof quarter on a 1941 Canadian quarter makes this coin extremely rare, with values reaching as high as $35,000. - Off-Center Strikes:
Coins with misaligned designs from improper striking are rare and can be valued between $100 and $1,000+, depending on the degree of the error and condition. - Double Die Obverse (DDO):
This error, where inscriptions or the date appear doubled, is highly prized. Depending on its prominence and condition, a DDO coin can fetch between $50 and $500. - Clipped Planchet:
Coins with missing portions due to planchet mishaps are another sought-after error, typically valued at $30 to $100, depending on the clip size and coin condition.
Tips for Identifying and Appraising Errors
- Professional Grading:
Have your coins assessed by trusted grading services to ensure accurate condition evaluation and authentication. - Research Known Errors:
Familiarize yourself with documented errors and variations from the 1970 quarter series to better identify valuable coins. - Seek Expert Advice:
Engage with numismatists or join collector groups for insights and expert opinions.
Conclusion
The 1970 Washington Quarter offers collectors an exciting opportunity to uncover rare and valuable coins. Factors such as mint errors, condition, and variations play a significant role in determining their worth. By staying informed and consulting experts, enthusiasts can better navigate this captivating series and potentially uncover hidden treasures.
FAQ
- What makes the 1970-S proof quarter struck on a 1941 Canadian quarter so valuable?
This coin is exceptionally rare due to its unique minting error, making it a prized find among collectors. - How can I tell if my 1970 quarter has a mint error?
Examine the coin for anomalies such as off-center designs, doubling of letters or numbers, or missing sections. A professional assessment is recommended for accurate identification. - Does the absence of a mint mark affect a 1970 quarter’s value?
1970 quarters without a mint mark were produced in Philadelphia. While they are common, their value can rise if they are in exceptional condition or feature unique errors.