ca. 1918+ Morimura Dolly face doll, 25" tall, bisque socket head on a five piece composition jointed body, open mouth with teeth, doll mark 1 MB symbol inside a circle, Japan 5

Morimura Brothers (1876-1941) was a Japanese import house based in New York City, NY.  They supplied bisque head German like copies of dolls to the American market and others, during World War I and after until 1921. 

They imported two basic types of bisque head dolls;  Character Babies or Dolly faced dolls.

They also sold All bisque dolls, celluloid dolls, Nanking (cotton body) China head dolls, composition dolls made by Bester Manufacturing and dolls made of rubber. 

In 1921 Morimura turned their Import Department over to the Langfelder, Homma & Hayward company, who continued to import Japan bisque head dolls.

The Langfelder patented Dolly doll has stationary legs, molded clothing and a diamond shaped label as shown below.

Morimura doll mark Queue San Baby label

Morimura doll mark Baby Darling or Baby Belle label

Morimura doll mark Baby Rose Germany (unknown maker) label,

doll mold 497

Morimura doll mark Cho-Cho San label

Morimura or Langfelder doll mark Dolly label, incised NIPPON on back

Morimura doll mark First Prize label

Morimura doll mark My Darling M.B. N.Y. tag

Morimura doll mark Sonny label

Morimura Character Baby Doll, 20" tall

1914+ Character Baby dolls, 10-22" tall, bisque socket head, composition bent limb body, glass eyes, open mouth, wigged, doll marks MB in a circle Japan + a number, Nippon, doll mold 22.

Morimura Dolly Face, 24" tall

1918+ Dolly Face, 8-24" tall, bisque shoulder head, composition jointed or kid body, glass eyes, open mouth, wigged, doll marks MB within a circle Japan + a number, Nippon, doll mold 1603.