Dressed in a luxurious medieval gown, this 2008 Barbie fetches at least one grand online. 

According to TheRichest, a mint condition version of this classy, classic doll went for over $27K at an auction! If you've got one of your own, head to a collector

convention for serious buyers who are willing to pay serious bucks. 

Before there was Hillary, there was Barbie! This gift set from 1991 includes a a gold and red suit for the campaign trail and a gorgeous patriotic ball gown for the inaugural

ball. 

Just look at that gown! You can easily get a couple hundred bucks for a Pink Splendor Barbie in good condition. 

Only 1,200 Pink Jubilee Barbies were released as part of the doll's 30th anniversary celebration in 1989. If you've got one on your hands in mint condition, you can sell

it for $1,800 to $3,000 online.

If you have this sophisticated Barbie with a white dress, you'll probably be able to sell it for a couple hundred dollars. But if you've got one with an aqua dress, you'll

be able to get a couple thousand dollars off it.

Barbie Lagerfeld, dressed in accents from her namesake's real fashion line, will fetch you a cool five grand if you're lucky enough to own one in mint condition.

This lavish, limited edition doll from 2003 is part of Barbie's Women of Royalty Series.

The Brunette version of the 1994 Happy Holidays Barbie will easily earn you a grand! Her blond counterpart will fetch a few Ben Franklins, too.

This one-of-a-kind doll, made in 2008 for Barbie's Goddess Series, comes with two armfuls of golden snakes. She'll go for a grand and a half online.