They are used for the same purpose: to test and show sewing project!
The old one is made of wood, porcelain and iron, and came from France, but not sure.
The new one is made of vinyl and came from Japan.
The new one is mine. I plane to use it to test color combinaison and sewing idea and perhaps in front of my etsy store on the weeb.
More later: there is a lot to say about each of these doll...