what does a 1964 quarter weigh

2 min read 26-12-2024

The weight of a 1964 quarter is a question frequently asked by coin collectors, numismatists, and anyone curious about the history of US currency. Understanding the weight, along with other characteristics, can help in authentication and grading. This comprehensive guide delves into the specifics of a 1964 quarter's weight, providing valuable information for both beginners and seasoned collectors.

The Significance of 1964 Quarters

1964 marks a pivotal year in US coinage. Before this year, quarters contained 90% silver. After 1964, the composition changed to a copper-nickel clad design, drastically altering the metal content and, consequently, the weight. Therefore, knowing the weight of a 1964 quarter is crucial for identifying its genuine composition.

Weight Specifications

A 1964 quarter, composed of 90% silver and 10% copper, weighs 6.25 grams (approximately 0.22 ounces). This is significantly heavier than its post-1964 counterparts. The difference in weight is a primary way to distinguish between pre- and post-1964 quarters.

Factors Affecting Weight

While the standard weight is 6.25 grams, minor variations can occur. These variations are typically due to:

Manufacturing tolerances: Slight inconsistencies during the minting process can lead to minor weight differences.
Circulation wear: Years of circulation can cause a slight reduction in weight due to abrasion.
Counterfeits: Counterfeit coins often deviate significantly from the standard weight.

How to Weigh a 1964 Quarter

Accurately weighing a coin requires a precise scale. A gram scale with a high degree of accuracy (at least 0.01 grams) is recommended. Here's a step-by-step guide:

Zero the scale: Ensure the scale is properly calibrated and displays "0.00" before placing the coin.
Place the coin: Gently place the 1964 quarter on the scale's weighing platform.
Record the weight: Note the displayed weight in grams.

Comparing this weight to the standard 6.25 grams helps determine authenticity and condition. Significant deviations could indicate a counterfeit or heavily circulated coin.

Beyond Weight: Identifying a Genuine 1964 Quarter

While weight is a crucial factor, it’s not the sole indicator of authenticity. Other characteristics to consider include:

Metal Composition: Test for silver content using a reliable method.
Visual Inspection: Check for wear, damage, or unusual markings.
Date and Mint Mark: Verify the date (1964) and mint mark (D or S) are correctly stamped.

Resources for Further Research

For more in-depth information on 1964 quarters and coin authentication, consider these resources:

The American Numismatic Association (ANA): A leading organization for coin collectors offering valuable resources and information. [Link to ANA website]
PCGS (Professional Coin Grading Service) and NGC (Numismatic Guaranty Corporation): Reputable third-party grading services that authenticate and grade coins. [Links to PCGS and NGC websites]

Conclusion

The weight of a 1964 quarter, at 6.25 grams, is a key identifier separating it from later quarters. Combining weight analysis with other authentication techniques ensures accurate identification and assessment of its value. Remember, careful examination and potentially professional grading can help you determine the true worth of your 1964 quarter. Happy collecting!