From family estate - was told it was purchased while travelling - you know the kind you purchase from Skymall on the airplane and its waiting for you on the other side of customs sort of thing (at least thats how it was explained to me, I've never purchased anything on the airplane while travelling). 

This comes in the original box and she said she never actually wore it - just tucked it away in the drawer after she got home and just found it recently while cleaning out drawers.

Measures about 24" long from clasp to clasp and about 5/8" across.  Sold as shown in photos - please ask questions prior to purchase.