Ernest Santasusagna Santacreu was a Spanish Painter that lived between - 1900-1964 

This is an Oil on Canvas, Framed with Glass. 

As you can see on her right there has been some damage to the paint. 

In my opinion, it does not detract from the beauty of the piece. 
Signed. On the back, partially illegible stamp of the support's manufacturer 
81 x 65.6 cm

Female Portrait by Ernest Santasusagna