Coin Collection is a rare hobby. Collecting coins from different culture is not only collecting tons of bronze but a history of such country. If you have a lot of coins that somehow usess or redundant to your coin collection, you might consider appraise it to a dealer.In order to appraise a particular coin, you need to take them to a coin dealer, for they need to be graded in order to come up with a price. He will know where the mint marks are and take it from there. Most dealers with stores are okay. It also never hurts to go to two dealers and take the best offer. Keep away from antique dealers, I have found in the past they know nothing of coins but think they do. Also take U.S. coins to that type of dealer. For ancient coins or world coins, you need that type dealer. Regular U.S. coin dealers know very little about the other coins and won't give you a fair price, for they don't know what one is, same as antique dealers.