You can always ask and see how much they offer for your coins, but I'm sure that a collector would pay more for your stuff. It's a matter of both knowing the real value of the coins and finding the right buyer.
there are coin shows and coin collecting clubs. I'm sure you can also buy rare coins on the internet. Some pawn shops or jewelry stores may have some rare coins. And private dealers.
They make new ones every day so to get a good start buy a copy of Red book an add up all the mintage's That well give you some idea.
See the related link below for a price guide to US coins. It doesn't point out the rare coins but you can pick these out yourself. Obviously rare coins are worth much more. Coins with a much higher value than others in that category are probably rare or semi-rare.
If its in good condition, find your local hobby or pawn shop to determine the exact value. Such coins can be rare and if possible should be taken to a coin collectors store or a place where they specialize in old money.
I bought most of my rare coins at auctions.
We cannot see you rare coins. Since we cannot even see your rare coins, we do not even know if your coins are indeed 'rare', what they are, their condition, when they were made - we do not know anything. Please specify in a different question what your coin is, the date it was made, and the condition it is in.
Yes, there are rare coins from the Bahamas. One of the coins is a 1991 Bahamas gold coin where only 500 of them were made
Rare coins are not common. Some rare coins that well known would be a 1909 S VDB penny.
Yes, it is possible to checkmate with a pawn in a game of chess, although it is rare and requires strategic play to promote the pawn to a more powerful piece.
No.
probably a sports shop or if its rare a pawn shop also ebay is always a good choice
Generally not. Old circulated silver coins occasionally turn up, but banks don't make a point of keeping rare coins in stock.