Boy with Slingshot

Composition unidentified tones. Contour lines and shading. Half-naked boy standing in front, occupying almost the entire support height. It is slightly off to the right and has squalid appearance, oval face, kinky hair, big almond eyes, nose and mouth small, thin neck, prominent belly. It wears a torn blouse, which lets you see the belly and is naked from the waist down. Holds in his on the right hand a slingshot and the on the left is over the body. Background with shaded and irregular geometric shapes.