Welcome to the CoinWeek Coin Grading Page. The introduction of “Third Party Grading” (TPG) into the numismatic marketplace as transformed the hobby. In 1984 the first privately owned grading service was launched and the concept and acceptance of TPG authentication and certification of both classic and modern issue coins is firmly established.
Coin Grading Sponsors
The following firms are Official Sponsors of the CoinWeek Coin Grading Pages……