Be Careful When Selling Gold & Silver Coins

Could those gold coins that Uncle Charlie had be worth $50K .. or even $15K ?? 
Problem is, your brother in-law just sold them all at the local traveling con game/show .. you know, that outfit with the two page add in the local paper camped out at the local Holiday Inn.. for two days only.

Some great advice in this video on how not to get screwed if your trying to sell rare gold & silver coins.
Here's an Amazon link for the 2012 Guide Book of United States Coins: Red Book.