Grading : The coin is graded MS63 by NGC, which means that it is in Mint State condition with minor imperfections. Prooflike: The coin has prooflike fields, which means that they are smooth and mirror-like in appearance. This is because the coin was struck with a special polished die. Overdate: The coin has a clear overdate, which means that the date "1883" is struck over the date "1882".
This is a rare error that makes the coin more valuable. KM21 : This is the catalog number for the coin in the Krause Mishler catalog, a standard reference book for world coins. TOP POP: This means that the coin is the highest-graded example of this particular variety that has been certified by NGC. GOT THIS FROM BARD GOOGLE AI.
AND THIS WAS NOT THE TOP POP AS THIS COIN.