Spanish school of the mid-twentieth century

Spanish school of the mid-twentieth century.
"Female nude" and "female bust".
Oil on canvas painted on both sides.
Without stretcher frame.
Glass on the back.
Signed illegibly.
Measurements: 47,5 x 36 cm; 57,5 x 47 cm (frame).

In this work the painter approaches two classic themes in the history of art, the female nude (from a costumbrista and intimate perspective, presenting the model in an interior) and the portrait.