Beautiful Old Portrait of a Lady

A very beautiful portrait of a lady, executed in sensitive pastels and pencils.  It has been fixed well and is in good condition for age.  It has been protected by glass but the frame was damaged.  The size of the portrait and mount measures 61cm x 51cm.

The mount and study is weighty enough to stand freely on its own or to have reframed.  It is unsigned.  Unsure of age but the paper suggests it is of some time.