About PCGS
Since its founding in 1986, PCGS has become one of the leading companies for coin grading. Its main principles are authenticity and accurate grading. It uses the Sheldon Scale (1-70) for the most precise grading.
Certification Standards - Class Description

PCGS Designations

PCGS Codes Without Grades

ALL COINS GRADED AND ENCAPSULATED BY PCGS ARE GENUINE AND THE GRADE IS GUARANTEED.