Numismatic Dictionary

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There are 5 names in this directory containing the search term third-party grading service. Clear results.
certified coin
A numismatic item that has been professional reviewed by a third-party grading service and encapsulated.

encapsulated coin
A coin that has been stored and sealed in a plastic holder usually by a third-party grading service. See also third-party grading service.

slabbing
The process of encapsulating a coin in a sonically sealed holder by a third-party grading service.

third-party grading service
An independent company that authenticates, grades, attributes and encapsulates coins

TPG and TPGS
Abbreviation for third-party grading service.

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