NGC Graded MS
66 Mandela Birthday Coin (Minted 2008)
(Q) What is this grading? (A) Intermediate grade where a
coin may have MS67 surface preservation but MS65 luster
would then qualify for a MS66 grade.
stands for Mint State and 66 is a grade number on a scale of 1
to 70. Mint state coins are coins in the same condition that
they were in just after leaving the mint, with no evidence of
wear or handling.