What is a complete unopened set of donruss 1991 baseball cards worth?

I do see where the price listed on something like what you have to be $5.99 on the following site. eBay Express: 1991 Donruss Baseball Cards * SEALED BOX *Series I - Description (http://item.express.ebay.com/1991-Donruss-Baseball-Cards-SEALED-BOX-Series-I_W0QQitemZ270138150870QQihZ017QQfromsoiZ1QQcmdZEx pressItem) Or, is what you have different than that which is listed? It's possible that they might be worth more, it just depends on what someone is willing to pay for them as being collectible items.