Famous Error Examples Worth Thousands

Real errors found by collectors that Error Hunter's AI can detect

Coin Errors: $500 - $50,000+
Card Errors: $500 - $10,000+
Currency Errors: $300 - $40,000+

Famous Coin Errors

These valuable coin errors have made collectors thousands of dollars

Very Rare 1955 Double Die Lincoln Penny
1955 Double Die Lincoln Penny
$1,500 - $20,000

The Error: Dramatic doubling on all lettering, especially "LIBERTY" and "IN GOD WE TRUST"

How to Identify: Look for clear doubling of date and lettering. The doubling is visible to the naked eye.

Error Hunter can detect this!
Ultra Rare 1969-S Doubled Die Lincoln Penny
1969-S Doubled Die Lincoln Penny
$25,000 - $50,000

The Error: Strong doubling on "LIBERTY" and "IN GOD WE TRUST" inscriptions

How to Identify: Check for clear separation between doubled letters. S mint mark present.

Error Hunter can detect this!
Rare 1972 Double Die Lincoln Cent
1972 Double Die Lincoln Cent
$500 - $1,000

The Error: Doubling visible on "LIBERTY," date, and "IN GOD WE TRUST"

How to Identify: Less dramatic than 1955, but clear doubling under magnification.

Error Hunter can detect this!
Scarce 2004 Wisconsin Quarter Extra Leaf
2004 Wisconsin Quarter Extra Leaf
$300 - $1,500

The Error: Extra leaf appears on corn stalk (high or low variety)

How to Identify: Look for additional leaf on left side of corn stalk on reverse.

Error Hunter can detect this!

Famous Card Errors

Valuable trading card errors that collectors seek

Very Rare 1989 Ken Griffey Jr. NNOF
1989 Ken Griffey Jr. Upper Deck NNOF
$2,000 - $5,000

The Error: "No Name on Front" - Player name missing from card front

How to Identify: Check if player name is absent from front of card. Rookie card #1.

Error Hunter can detect this!
Rare 1990 Frank Thomas NNOF
1990 Frank Thomas Topps NNOF
$1,500 - $3,000

The Error: Player name completely missing from card front

How to Identify: No name appears where it should be on card #414.

Error Hunter can detect this!
Ultra Rare 2007 Kevin Durant Wrong Back
2007 Kevin Durant Topps Chrome Wrong Back
$5,000+

The Error: Card back shows different player's statistics and information

How to Identify: Compare front and back - mismatched player info.

Error Hunter can detect this!
Varies Wrong Photo/Team Errors
Wrong Photo/Wrong Team Errors
$500 - $2,000

The Error: Wrong player photo or incorrect team listed

How to Identify: Photo doesn't match name, or team info is incorrect.

Error Hunter can detect this!

Famous Currency Errors

Valuable paper money errors that command premium prices

Ultra Rare Inverted 3rd Printing
Inverted 3rd Printing (Back to Front)
$2,000 - $40,000

The Error: Serial numbers and seals printed on wrong side

How to Identify: Green seal/serial numbers appear on face instead of back.

Error Hunter can detect this!
Rare Missing Serial Numbers
Missing Serial Numbers
$500 - $2,000

The Error: One or both serial numbers completely missing

How to Identify: Blank space where serial numbers should appear.

Error Hunter can detect this!
Very Rare Mismatched Serial Numbers
Mismatched Serial Numbers
$1,000 - $5,000

The Error: Different serial numbers on same bill

How to Identify: Compare both serial numbers - they don't match.

Error Hunter can detect this!
Scarce Fold-Over Errors
Fold-Over Errors
$300 - $1,500

The Error: Part of bill folded during printing, creating blank areas

How to Identify: Unprinted areas or printing on wrong side.

Error Hunter can detect this!

What Makes These Errors Valuable?

Rarity

Errors occur in limited quantities before being caught and corrected by the mint or manufacturer.

Historical Significance

Many errors represent important moments in minting or printing history, making them highly collectible.

Collector Demand

Error collectors actively seek these varieties, creating a strong market with competitive prices.

How Error Hunter's AI Spots These

Advanced Pattern Recognition

Our AI is trained on millions of images to recognize subtle variations and anomalies.

Multi-Layer Analysis

We analyze design elements, text positioning, printing quality, and compare against known varieties.

Real-Time Valuation

Our system provides instant estimates based on current market data and recent sales.

Tips for Finding Errors in Your Collection

Examine Carefully

Look closely at text, images, and design elements for any irregularities or doubling.

Compare Examples

Compare your items with known normal examples to spot differences.

Use Error Hunter

Let our AI do the heavy lifting - scan your items for instant error detection!

Start Scanning Your Collection Today!

These are just examples - your items might have unique errors worth thousands!

Instant Results AI-Powered Detection Real-Time Valuation
Start Free Scan Browse Error Database

Error Hunter has helped collectors find over $2 million in valuable errors!