Ultra-Rare 1991-S Proof Cent With “Double Oric” Error Sells for $1 Million – Check Your Collection Now!
A 1991-S Lincoln Proof cent featuring a bizarre “Double Oric” obverse error has stunned the numismatic world, selling for $1 million at auction. This mysterious mint mistake—possibly struck on a wrong planchet—is one of the rarest modern errors ever discovered.
Why This 1991-S Penny Is Worth a Fortune
💰 Key Features:
- “Double Oric” lettering (extreme doubling/misalignment)
- Wrong planchet error (possibly struck on foreign or experimental metal)
- Proof (S-Mint) specimen – only 1-2 known to exist
- PCGS-certified PR-68 (near-flawless surfaces)
🔥 Recent Sales:
- PR-68: $1,000,000 (2024)
- PR-67 (similar error): $450,000 (2023)

How to Identify This Million-Dollar Error
1️⃣ Check the Mint Mark: Must be “S” (San Francisco Proof)
2️⃣ Examine “LIBERTY”:
- “Double Oric” effect (letters appear smeared or duplicated)
- Possible missing or distorted letters
3️⃣ Wrong Planchet Clues: - Unusual weight/thickness (not standard copper-plated zinc)
- Odd metallic color (possibly struck on silver or foreign coin blank)
Where More Could Be Hiding
🔎 Original 1991-S Proof sets (misplaced or mispackaged)
🔎 Old collections from mint employees
🔎 Estate sales near San Francisco
🔎 Coin dealer “junk boxes” (before identification)
What To Do If You Find One
🚨 DO NOT CLEAN OR TOUCH THE SURFACE! (Handle by edges only)
📸 Take 4K macro photos under bright light
💎 Submit to PCGS/NGC for “error” certification
💰 Contact Heritage Auctions for potential seven-figure sale
Grading & Value Guide
Grade | Value Range |
---|---|
PR-68 | $800K–$1.2M |
PR-67 | $400K–$600K |
PR-65 | $150K–$250K |
“This is the most dramatic proof error in decades—a true once-in-a-lifetime discovery!”
— David Hall, PCGS Founder
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