The term "clipped planchet" is probably the biggest misnomer in error coin collecting. The name implies that after or before being struck, a piece of metal was somehow removed (clipped) off. This is not the case. Clipped planchets occur when a thin strip of coining metal is fed into a machine for blanks to be punched out. Sometimes the strip of metal will not be properly fed into the punch, which causes a blank to be punched out that overlaps the spot where an earlier blank was punched out. In the case of a straight clip, the planchet was accidentally punched out near the end of the roll of metal. So, as you can see, clipped planchets are not really clipped at all, but actually improperly punched planchets.
A genuine clip can be told from one made by someone in their garage by two very simple (but nearly impossible to replicate) diagnostics. The first is the metal flow that occurs near the site of the clip, where the extra metal flowed in order to compensate for the empty space. This is characterized by a weakness in the design or lettering near the site of the clip. The other diagnostic of a genuine clip is know as the Blakesley effect (named after the collector that first observed the phenomenon). To tell whether or not your coin exhibits the Blakesley effect, simply check the rim of the coin directly opposite the clip. If it appears the details are lacking in that area and the rim appears flat, then it is more than likely that you have a genuine clipped planchet error.
How to tell if your clipped planchet coin is genuine
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___________________________________________________________________________________________________________
You also agree to follow these guidelines. You must agree to these rules to be a member of this forum. NO SPAM! Spam is deleted within minutes, no spam will ever be left in our community.
1. Post a front and back image of your coin with a specific question about what you’re seeing or asking about and one coin per topic.
2. Please remove coin from the holder unless it’s US or an official mint case or unless it is graded by a grading service.
3. Images should be taken by a camera or cell phone camera, we ask that members don’t use images through a microscope screen.
4. Always start your own topic, please don’t ask about your coin or post your coin in someone else’s coin topic.
5. Do not send private messages about your coin unless an Admin ask you too and the same for sending emails through the board.
6. No spam. Do not post any links to your coin or other non-coin websites.
7. Always be respectful even if something makes you upset or you don’t agree with a member. You can always get a second opinion elsewhere. If you have an issue then politely ask an admin in an PM. PM’s are for issues, technical and personal, but not for coin questions (refer to number 5 on this list). Our community is not a soap box for complaining or drama, so please refrain from doing so here.[/size]
How to tell if your clipped planchet coin is genuine
Last edited by RHM22 on Wed Oct 14, 2009 9:01 pm, edited 1 time in total.
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Re: How to tell if your clipped planchet coin is genuine
Very good information. I have never read about the Blakesley Affect.
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Re: How to tell if your clipped planchet coin is genuine
Here's a graphic I created to put this into perspective.
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Re: How to tell if your clipped planchet coin is genuine
OUTSTANDING posts guys! :trophy:
i see "fake-o raw" clipped coins sell ALL OF THE TIME!
you must hugeeyes for the 'blakesley', & is usually visible even on heavy rub (wear) coins
i see "fake-o raw" clipped coins sell ALL OF THE TIME!
you must hugeeyes for the 'blakesley', & is usually visible even on heavy rub (wear) coins
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Re: How to tell if your clipped planchet coin is genuine
hugeeyes a perfect example here
click 4 link
click 4 link
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Re: How to tell if your clipped planchet coin is genuine
:welcome:
... hugeeyes pics ??
:eureka: "CLIPPED" coins will show the "blakesly effect" directly opposite the clipped area
... hugeeyes pics ??
:eureka: "CLIPPED" coins will show the "blakesly effect" directly opposite the clipped area
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