New sellers have their payments held by Paypal for usually three weeks. It's a bit of a pain but it's a necessary evil to protect buyers from unethical sellers and the rest of us get swept into that net too.
You need to log into your paypal account and view the transaction associated with the Sold there. It will say you were paid but that the payment is held, or something along those terms.
Welcome to selling on ebay. Come back with any questions you need answered and we're happy to help in any way that we, as fellow users, can help.
