The Accidental Mint Error Worth Thousands
The 1992 Close AM Memorial Cent represents one of the most valuable modern penny varieties, created when the U.S. Mint accidentally used a proof die for regular circulation strikes. This subtle but significant error makes certain 1992 pennies worth 100x their face value.
Current Market Values (2024)
Grade | Value Range | Population (PCGS/NGC) |
---|---|---|
MS67RD | 4,000−4,000−6,000 | <20 |
MS65RD | 2,000−2,000−3,000 | 50-75 |
MS63RD | 800−800−1,500 | 100+ |
AU55 | 300−300−600 | – |
Circulated | 100−100−250 | – |
Recent Notable Sales:
- $5,175 (PCGS MS67RD, 2023)
- $3,450 (NGC MS66RD, 2022)
- $1,725 (PCGS MS65RD, 2021)
How to Spot This Valuable Variety

Key Identification Features:
✅ Date: Must be 1992
✅ Mintmark: Can be Philadelphia (no mark) or Denver (“D”)
✅ “AM” Spacing: Letters nearly touching in “AMERICA”
✅ Reverse Design: Memorial building columns clearly separated
![Comparison showing Close AM vs. normal spacing]
Diagnostic Details:
- Weight: 2.5 grams (copper-plated zinc)
- Edge: Plain (normal Memorial cent edge)
- Die Markers: Slight doubling may be present
Why This Variety Commands Premium Prices
- Rarity:
- Estimated 5,000-10,000 struck
- Few survive in gem condition
- Historical Significance:
- Last year of the “Close AM” variety
- Shows mint die preparation processes
- Collector Demand:
- Needed for modern variety sets
- Popular with error coin specialists
Grading & Authentication
Critical Grading Factors:
- “AM” Spacing: Must show clear touching/almost touching
- Color Preservation: Red (RD) specimens command premiums
- Surface Quality: No cleaning or damage
Beware of:
- Post-mint alterations
- Counterfeit “Close AM” varieties
- Misidentified 1992-D coins
Verification Steps:
- Measure “AM” spacing under 10x magnification
- Compare to PCGS VarietyPlus images
- Check for other die markers
Where to Find These Rare Pennies
Best Hunting Grounds:
- Original Bank Rolls (Especially 1992-D rolls)
- Coin Dealer Junk Bins (Often overlooked)
- Estate Collections (Unsearched accumulations)
Pro Tip:
The 1992-D Close AM is slightly rarer than Philadelphia issues and commands 20-30% higher premiums.
“I Found a 1992 Close AM – Now What?” Checklist
- Handle carefully by edges
- Photograph under good lighting
- Compare spacing to verified examples
- Consider professional grading if MS63+
Grading Cost: 30−30−50 (worth it for potential $5,000 coin)
Want More Modern Penny Insights?
Visit PennyVerse.info for:
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- Current market reports
- Collector community forum
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PS: Your pocket change could contain a four-figure penny – check those 1992 dates! 🔍💰
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