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Reviews & Guides

Reviews & Guides by: cooperway4( 658)

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Guides: 1

Helpfulness votes: 759 out of 776

Reviewer rank: 494 (United States)

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Coins & Paper Money
(1)

1 guides found

cooperway4

Guide to Third Party Grading Services for coins
by cooperway4( 658)
A Third Party Grading Service or TPG Service is a company that provides the service of authenticating and determining the state of preservation of a coin. They are called Third Party because they have no...
Tags: Certified coin | coin grading | SGS | Third Party | TPG
759 of 776 people found this guide helpful
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