eBay
Try a coin dealer, coin show or collector.
A coin dealer would be a good place to sell it.
About a cent if you can sell them in bulk
They sell for a couple dollars each on eBay.
put it it mudah.com
Coin dealers buy coins.
You can sell an 1800 King George VI half cent coin at a local pawn shop or online at eBay.
A coin show or dealer is a good place to start.
Pennie:1c Nickel:5c Dime:10c Quarter:25c Half-Dollar:50c Dollar Coin:$1
Ebay or a coin dealer. Don't expect much for it, unless the coin is in exceptional condition, you might not even be able to sell it for more than two cents. It is a very common coin.
If it's a collectable coin, you can sell it on eBay or any other online auction site. You can also find a coin dealer in your area and see if they can sell them for you.