



1959 Washington Quarter 25¢ – PCGS PR66 Proof Silver Coin | Gem 90% Silver Issue
“A true one-of-a-kind piece in our inventory — once sold, it may not be available again.”
This 1959 Washington Quarter is a high-grade proof coin certified PR66 by Professional Coin Grading Service (PCGS). Struck at the Philadelphia Mint, this coin represents the classic era of U.S. proof coinage, known for its sharp strike and reflective, mirror-like surfaces.
Graded Proof 66 (PR66), this coin falls within the gem-quality range, exhibiting strong reflectivity, crisp design details, and only minor imperfections. Its excellent eye appeal makes it a desirable piece for collectors of vintage U.S. silver coinage.
Composed of 90% silver, this quarter holds both intrinsic metal value and numismatic significance. The obverse features George Washington, while the reverse displays the classic heraldic eagle design used on Washington Quarters prior to 1999.
As part of the pre-1965 silver era, this coin reflects a time when U.S. currency was struck in precious metal. Encapsulated in a PCGS holder, it is authenticated, graded, and preserved for long-term collector value.
Key Details
• Year: 1959
• Denomination: 25 Cents (Quarter)
• Series: Washington Quarter
• Grade: PR66 (Proof)
• Grading Service: Professional Coin Grading Service (PCGS)
• Mint: Philadelphia (No Mint Mark)
• Composition: 90% Silver, 10% Copper
• Weight: 6.25 grams
• Obverse Design: George Washington
• Reverse Design: Heraldic Eagle
• Edge: Reeded
• Holder: PCGS Certified Slab
Value & Rarity Insight
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PR66 examples are gem-quality proofs, offering strong collector demand.
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As a 90% silver coin, it retains intrinsic value alongside numismatic appeal.
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PCGS certification ensures authenticity, grading accuracy, and strong market confidence.
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