What is the value of entire collection of every barbie holiday doll from 1988 to 2011 Never opened or touch?

I would suggest taking a look at eBay and checking the prices on a the dolls. Try this website www.margiesdollhouse.com. Supposedly, they are Holiday Barbie experts.
proubly like 12.00 or 30.00 i am not sure look on ether Walmart.com 0r ebay.com or Amazon.com