ICG U.S.  Error Coin Examinations

Mike Diamond is ICG's authorized error coin examiner for U.S. and World* coins. All ICG examination submittals for this area should be directed to him according to the following procedure.

  1. Package and ship your coins by U.S. Postal Service. You should ship the coins by insured or registered/insured mail with the proper amount of insurance. Do not ship by certified mail as it provides no insurance.
  2. If possible, include a completed ICG submission form. ICG will send you this form free of charge if you will call 1-877-221-4424 (this is a toll free call).
  3. Be sure to include the appropriate check or money order (payable to ICG) to cover the examination and grading fees. The fee is $17.00 minimum per coin, depending on services requested. You must also include return postage and insurance, which is $12.00 per package. 
  4. Ship the package to:

Mike Diamond
P.O. Box 6351
Rock Island, IL 61201
mdia1@aol.com

* World Errors may be sent to either Ken Potter or Mike Diamond whichever is more convenient to the submitter. All World Varieties should go exclusively to Ken Potter.


ICG World* Error-Variety Coin Examinations

Ken Potter is ICG's authorized error-variety coin examiner for World coins. All ICG examination submittals should be directed to Ken according to the following procedure.

  1. Package and ship your coins by U.S. Postal Service. You should ship the coins by insured or registered/insured mail with the proper amount of insurance. Do not ship by certified mail as it provides no insurance.
  2. If possible, include a completed ICG submission form. ICG will send you this form free of charge if you will call 1-877-221-4424 (this is a toll free call).
  3. Be sure to include the appropriate check or money order (payable to ICG) to cover the examination and grading fees. The fee is $17.00 minimum per coin, depending on services requested. You must also include return postage and insurance, which is $12.00 per package. 
  4. Ship the package to:

Ken Potter
PO Box 760232
Lathrup Village, MI 48076
kpotter256@aol.com

* World Errors may be sent to either Ken Potter or Mike Diamond whichever is more convenient to the submitter. All World Varieties should go exclusively to Ken Potter.


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