Pop into any antique store in the country and you’ll likely find at least one porcelain doll sitting on a shelf (probably next to the vintage figurines). But how much are these delicate dolls worth?

The new Barbie movie is going to help drive market prices up for the popular vintage dolls and all the Barbie paraphernalia that goes along with them. The Bild Lilli doll, the German fashion doll that ...