Id a doll

[memar3]

marked on back tete jumeau sgbg depose 25in 13 it looks to me like somekind of repo

body looks porcelain limbs are loose 

[pellicano-treasures]

This appears to be an authentic Jumeau doll from France. Highly collectible. Appears the hair may have been cut. Looks like a good restore project. They sell wigs and clothing online.  https://www.trocadero.com/directory/Dolls?&start=468&l=36&view=pict

Good luck!