Planchet Errors on their Own Coin Page?

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Should planchet errors (or other mint errors) have a coin page separate from the coin the dies are designed to make?  The following are new coin pages for two mint (planchet) errors.  I think they deserve a comment on the actual coin page at most.  When should mint errors (described as Variations in the Guidelines) have a coin page separate from the normal strike?

 

N#362630

N#362631 

I think, if the weight, diameter and composition are the same then it should not be on a separate page. But if one of those 3 are different that would justify a separate page. That is my 2 cents.

Referee for Exonumia from United States

It does seem too much to give them a separate page if we're going to call them a “Standard circulation coin ”. However, if we had a category of “Error coin”, then we could include them separately and those who aren't interested in errors could exclude them from searches.

Former Numista referee for banknotes from Ireland, Northern Ireland, Scotland, Wales and Saint Helena.

ceh2019

It does seem too much to give them a separate page if we're going to call them a “Standard circulation coin ”. However, if we had a category of “Error coin”, then we could include them separately and those who aren't interested in errors could exclude them from searches.

Firstly, the question is if we have a strong and unique definition of what an “error coin” is?

Globetrotter
Coin varieties in French:
https://monnaiesetvarietes.numista.com

Ole,

  Error coins can be described in the following ways;

 

Mule coins.

 

Off-metal coins.

 

Wrong-sized planchet coins.

 

Of course, edge errors such as milled edge instead of security edge or plain edge instead of milled edge, also qualify for listing separately.

 

Aidan.

JLHare

I think, if the weight, diameter and composition are the same then it should not be on a separate page. But if one of those 3 are different that would justify a separate page. That is my 2 cents.

How about a clipped planchet, essentially a random occurrence where no two are alike?

BCNumismatics

Ole,

  Error coins can be described in the following ways;

 

 

Aidan.

The guidelines state

 

 Variations are random or unintentional differences in the physical appearance or properties of a coin that occur during the minting process, after the production of the die. For example, mint errors, random alignment or edge orientation, slight variations of the planchet in weight or size, different colouration of the alloy, etc.

 

but does not give guidance on how to handle variations in the catalog.

I do not think Lamination, Off strikes and clipped planchets should get a page at all. That should just be a note on their on private comments.

Referee for Exonumia from United States

JLHare

I do not think Lamination, Off strikes and clipped planchets should get a page at all. That should just be a note on their on private comments.

Agree.  Maybe a better subject would be, Which mint errors should have their own coin page?

rsirian1

BCNumismatics

Ole,

  Error coins can be described in the following ways;

 

 

Aidan.

The guidelines state

 

 Variations are random or unintentional differences in the physical appearance or properties of a coin that occur during the minting process, after the production of the die. For example, mint errors, random alignment or edge orientation, slight variations of the planchet in weight or size, different colouration of the alloy, etc.

 

but does not give guidance on how to handle variations in the catalog.

The disqualifier is the small etc. So everybody can interprete as he likes. We'll have plenty of discussions over that. So I' not for this suggestion. No limits can be fixed.  

Globetrotter
Coin varieties in French:
https://monnaiesetvarietes.numista.com

Except for mules I know of no commonly used catalog that assign a unique type number to mint errors. Numista seems to be the only one doing this. 

rsirian1

Except for mules I know of no commonly used catalog that assign a unique type number to mint errors. Numista seems to be the only one doing this. 

Mules are mint errors, but SCWC included them as coins with a corresponding KM# in most cases!

Globetrotter
Coin varieties in French:
https://monnaiesetvarietes.numista.com

Sjoelund

rsirian1

Except for mules I know of no commonly used catalog that assign a unique type number to mint errors. Numista seems to be the only one doing this. 

Mules are mint errors, but SCWC included them as coins with a corresponding KM# in most cases!

Yes. That's why excluded mules from my statement.  Do you know of any other mint errors that have a unique KM number?

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