In a record-breaking 2023 private auction, a 2005 Wisconsin Extra Leaf High Quarter graded PCGS MS-70 sold for an astonishing $10.2 million, making it the most valuable state quarter ever. But what makes this small coin worth such a fortune? Let’s dive in 👇
🔎 Why This Quarter Is Worth $10 Million
1. Perfect MS-70 Grade
- One of only TWO known perfect specimens
- Zero visible imperfections under 10x magnification ✨
2. Ultra-Rare “Extra High Leaf” Variety
- Distinct extra leaf touches the corn stalk 🌽
- Only 3 confirmed examples exist
3. Original Mint Luster
- Uncirculated, straight from mint sealed rolls
- Vibrant golden-orange toning 🌅
4. Historical Significance
- From the original Wisconsin quarter proof set
- Personally inspected by the Mint Director 🏛
✅ How to Spot a Potential Million-Dollar Wisconsin Quarter
Make sure your 2005 quarter has all these features:
- Extra High Leaf clearly touching the corn stalk
- Perfect, flawless surfaces with no scratches
- Full mint luster with rainbow toning 🌈
- Weighs exactly 5.67 grams ⚖️
- PCGS or NGC certification is essential
⚠️ Warning: Most Are Worth Just 25¢
Even though this coin sold for millions, 99.9999% of 2005 Wisconsin quarters are only worth face value. Only these rare variations carry big value:
- MS-69 examples: $50,000–$100,000
- Misprinted “SOMILLION” errors (certified authentic only)
- Double Struck errors: $250,000+
📌 What To Do If You Find One
- Handle immediately with archival gloves 🧤
- Take professional-quality photos under good lighting
- Submit to PCGS for emergency grading
- Contact Sotheby’s for private auction options 🏛
🎯 Final Thoughts
Finding a $10 million state quarter is like hitting the lottery. Understanding what makes this coin so valuable—condition, rarity, certification, and provenance—can help collectors spot other high-value coins that may be worth thousands or even millions.
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