Home U.S. Coin Forum

Error Coins are HOT!!! But what do you know about them?

Error coins are hot and getting hotter! Are you an expert? Do you know all there is to know about errors? How to identify, what they are worth?

The following is a list I have compiled of errors that affect the value of a coin. Anyone that wishes to comment on or contribute to this list, please do so. This list will be compiled into our coin collecting software and will impact the price shown against the grade of the coin plus error(s). Any help in adding to this list or correcting it will be greatly appreciated.

Our software is available as a BETA at http://download.coinweb.org/ free or on CD-ROM at $6.95 to cover costs of materials and at www.janschwenk.com clicking on “Coin Inventory Beta”. Please register the software. We ask that you give us your suggestions, ideas, comments, brickbats, and whatever. We want to make this the best possible software. Anything missing, tell us and we will add it. The goal of this software is to give the collector the information and knowledge he needs and the organization and tools to use it to his advantage.

Thanks!
Jan
janrschwenk@attbi.com

Planchet
Type I
Type II
Defective
Scrap
Thick
Clad Layer Missing
No Clad Layers
Split
Cracked
Split
Clam-shell Split
Unplated
Partial Plating
Blow-hole
Fragment
Lamination
Bubbles
Foreign
Off Metal
Wrong
Dies
Rusted
Damaged
Cracked
Chipped
Defective
Filled
Clashed
Polished (or Abraded)
Tool marks
Doubled
Obverse
Reverse
Mint Mark
Repunched
Wrong
Collar
Break
Cud
Partial
Strike
Clip
Single
Double
Triple
Multiple
Curved
Crescent
Eliptical
Straight
Ragged
Broadstruck
Brockage
Obverse brockage
Multiple strike
Double struck
Triple struck
“X” struck
Off Center
Misaligned Die MAD
Rotated
Test
Double Denomination
Mule
Fold over struck FOS
Struck through
Die adjustment strike DAS
No Date (Weak DAS)
Indent
Indent by strk fragment
Test strike
Cap
Cap & saucer
Deep cap
Bonded (or mated)
2 piece bonded
3 piece bonded

Finish
Burnished
Chemical test
U.S. coin collector since 1943. Have tried desperatly to keep every coin that has come to hand, but unfortunately, some got away.

Comments

  • nwcsnwcs Posts: 13,386 ✭✭✭
    A few others:

    Tapered planchet
    Thin
    Bowtie (from webbing chopped and struck) (though this can be considered fragment)
    Die alignment
    Roll in metal (metal rolled into strip from which blanks are punched)
    You have clipped, you need multi-clip
    Improperly mixed alloy
    Strike through

Leave a Comment

BoldItalicStrikethroughOrdered listUnordered list
Emoji
Image
Align leftAlign centerAlign rightToggle HTML viewToggle full pageToggle lights
Drop image/file