MS - 60 means uncirculated but with some scratches. The higher the number on a scale of 1 through 70, the better the coin's condition.
To determine if a coin is MS60 it must be seen. I suggest you take it to a coin shop and have it appraised.
The purity of the compound that the coin consists of.
It means "premium quality". It is not an official form of grading.
To get that specific of a grade on a coin, it would need to be professionally graded though a service like PGCS, though a coin dealer in a shop could give an approximate grade.
To burnish metal is to polish it so that it shines. This is not something that coin collectors would do to a collectible coin, since some small part of the coin would be polished away by this process, and the objective of coin collecting is to keep the coin as close as possible to its original condition when minted. If you are not a coin collector, then burnishing a coin is irrelevant to its value.
To determine if a coin is MS60 it must be seen. I suggest you take it to a coin shop and have it appraised.
Lots of wear on the coin and the lowest grading possible.
edge of a coin with grooved lines that run around the entire perimeter of the coin
In coin collecting, it means Brilliant Uncirculated, a very nice coin, but not as good as a Proof coin.
A coin described as "Premium Quality" is an above average example.
It means the front side the "heads" of the coin. The reverse is the opposite end often called the "tails" of a coin.
The purity of the compound that the coin consists of.
A coin collection is called, well, a coin collection. The hobby of collecting coins is called numismatics.
a coin collector
It means "premium quality". It is not an official form of grading.
M means Mint, 60 is a specific number on a scale of 1-70, 70 being the highest. So Mint 60 is a coin with very few flaws, in other words it has a higher value. I believe that you mean MS60. Uncirculated Coins from the mint are designated MS60 - MS70, MS70 being "Perfect". MS 60 is used to say that the coin is uncirculated, usually not professionally graded.
Coin collecting