In your case you should buy a Graded PCGS, NGC or ANAC $20 St. Gaudens. This would be for your long term piece of mind. Remember common date...
Greysheet is dealer approximate buy pricing. Coin World is Retail. Are you starting a collection of this type or are you wanting to purchase...
It is a little hard to see from just this angle a little bleached out may just be the photo. Do you have any different photos? Is this from a...
British have no cents? :)
coke &/or pepsi = bad news except for those who have not found out yet :)
I would imagine it would remove a number of elements including the patina .. the part which most collectors like :)
So enlighten us .. what tells you this is real?
Separate names with a comma.