NGC - PCGS - ICG - all offer a grade guarantee and they stand behind it. I do not believe ANACS does. But as Nd already said - the guarantee for...
Marks can be especially significant when it comes to grading a coin. Not only in the number of marks - but also in the severity and the location...
Without seeing it - this is just a guess. But it sounds like you have a coin that has been treated with chemicals of some sort.
There is always an easy way to determine the value for any coin that is easily, or with a little effort, found. Just check the realized auction...
Guys - I'm not saying you can't find them at all - of course you can. But you can find them from the earlier years in much greater numbers.
Howdy Rick - Does it look anything like this ? [IMG] [IMG] That is a 1/2 reale struck in Mexico 1773. Given the date - your coin...
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