This is a vintage Mexican folk art relief plaque, commonly made from chalkware or carved wood, featuring a pastoral scene.
The "1034" visible in the bottom right corner is typically a mold or production number.
It is a bas-relief (3D) sculpture, a style frequently used in vintage Mexican decorative arts from the 1930 to the 1950's.
This specific piece shows a man playing a guitar on the beach.
Size: 16" X 11"