mystery mark S&H who made this 14" boy bust?

from a recent auction. Some think one of the German doll manufacturers but I couldnt come up with anything.

 

This pair sold for $595. It isn't Simon Halbig. Are these chalkware or what? https://lots-of-furniture.myshopify.com/products/pair-of-busts-of-children-of-the-19th-century

 

Cool piece.

 

someone else suggested Schoenau & HOffmeister but their marks dont seem to match this.