This is a really lovely soft sweater from Italian designer Amina Rubinacci.

Wool / silk and cashmere blend , ties at the rear of neck with just a smattering of sequins at the neckline to add a touch of glamour. 

It's a size Large , measures approx. 

underarm to underarm 
shoulder to hem 

Good used condition , some very very light bobbling , hardly noticeable