NGC Expert Review Opinions

Posted on 6/20/2019

Learn more about the opinions of NGC Expert Review.

NGC Expert Review helps eBay buyers make smarter purchases by providing a preliminary opinion of authenticity and, if requested, grade. Opinions start at just $5, and customers will receive a voucher equal to the amount paid that can be used to submit the coin to NGC for regular grading services. (Vouchers are valid for 90 days.)

When an NGC Expert Review request is made, an NGC expert will review the eBay listing’s images and provide a preliminary opinion within 52 hours. Opinions will be sent by email. The possible opinions are shown below along with their cost and definition.

Learn more about NGC Expert Review >

NGC Expert Review Opinions

A customer can purchase an Authenticity Opinion only or an Authenticity & Grade Opinion.

Authenticity Opinion only: $5 fee
Authenticity & Grade Opinion: $10 fee

NGC Expert Review Voucher Terms

  • You must be an Associate or higher NGC Collectors Society member to submit for regular grading services. Not a member? Join today >
  • Vouchers are valid for 90 days.

US and World Coins

Authenticity Opinion   Definition
Likely Genuine   An NGC expert has reviewed the listing and believes that the coin is likely genuine.
Likely Not Genuine   An NGC expert has reviewed the listing and believes that the coin is likely not genuine or altered.
Inconclusive   An NGC expert has reviewed the listing and is unable to provide an opinion of authenticity. The full fee is refunded.
Not Eligible   An NGC expert has reviewed the listing and has determined that it is not eligible for NGC Expert Review (ie. already graded; not a coin/token/medal; too many items). The full fee is refunded.

Note: No grade opinion will be provided if the authenticity opinion is “Likely Not Genuine,” “Inconclusive,” or “Not Eligible.”

Grade Opinion   Definition
Likely Uncirculated (60-70)   An NGC expert has reviewed the listing and believes that the coin would likely grade between MS 60 and MS 70.
Likely Proof (60-70)   An NGC expert has reviewed the listing and believes that the coin would likely grade between PF 60 and PF 70.
Likely High Circulated (40-58)   An NGC expert has reviewed the listing and believes that the coin would likely grade between XF 40 and AU 58.
Likely Low Circulated (1-35)   An NGC expert has reviewed the listing and believes that the coin would likely grade between PO 1 and VF 35.
Likely Details Grade   An NGC expert has reviewed the listing and believes that the coin would likely receive an NGC Details grade because of a surface problem (e.g. cleaning or scratches).
Likely No Grade   An NGC expert has reviewed the listing and believes that the coin would likely not be graded by NGC because of a problem (e.g. PVC residue).
Inconclusive   An NGC expert has reviewed the listing and is unable to provide an opinion of grade. The grade portion of the fee ($5) will be refunded.

NGC Coin Grading Scale

NGC Details Grades

NGC Ancients

Authenticity Opinion   Definition
Likely Genuine   An NGC expert has reviewed the listing and believes that the coin is likely genuine.
Likely Not Genuine   An NGC expert has reviewed the listing and believes that the coin is likely not genuine or altered.
Inconclusive   An NGC expert has reviewed the listing and is unable to provide an opinion of authenticity. The full fee is refunded.
Not Eligible   An NGC expert has reviewed the listing and has determined that it is not eligible for NGC Expert Review (ie. already certified; not a coin/token/medal; too many items). The full fee is refunded.

Note: No grade opinion will be provided if the authenticity opinion is “Likely Not Genuine,” “Inconclusive,” or “Not Eligible.”

Grade Opinion   Definition
Likely MS   An NGC expert has reviewed the listing and believes that the coin would likely grade MS.
Likely High Circulated (XF-AU)   An NGC expert has reviewed the listing and believes that the coin would likely grade XF or AU.
Likely Low Circulated (PR-VF)   An NGC expert has reviewed the listing and believes that the coin would likely grade PR to VF.
Inconclusive   An NGC expert has reviewed the listing and is unable to provide an opinion of grade. The grade portion of the fee ($5) will be refunded.

NGC Ancients Grading Scale


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