12. American Girl Dolls

The American Girl Dolls is a popular line of dolls known for their characters that represent different periods and backgrounds in American history. 

The dolls came in a wide range of characters and have an extensive collection of clothing, accessories, and furniture.

They were first released in 1986, and back then, the dolls were already considered somewhat expensive, with a price range varying between $98 to $110.

Now, 37 years later, they are being sold for around $1,000 to $3,000 on eBay.