An antique porcelain plate from Rosenthal "Maria". The motif is from one of the children's books illustrated by the German children's book illustrator Paul Lothar Müller who lived 1869 - 1956.
The plate was sold in a Rosenthal specialty store in Stockholm. The Rosenthal stamp was used in 1927 which indicates that the plate was manufactured in 1927.
Available at the link below
https://www.tradera.com/item/707595414