It's really well done for a practice sketch. The only thing I would think of to change would be the tilt of the right eye. It's too upturned for the angle of her face.
Wow, I am jealous of your ability at noses. Yes, her nose! I can't draw a good nose to save my life. The only thing is maybe bring the slope of her shoulder up a little higher and further out so she looks more proportionate? Gorgeous.