Mob Jewelry? 
Stunning Tiffany Multi Strand Glass Beaded Choker Style Necklace. The necklace features multiple strands of black glass and pearl beads, giving it an elegant and luxurious look. The 17" length makes it the perfect accessory to wear with a variety of outfits, from formal evening wear to casual daytime ensembles. Complete with a gold safety clasp and gold caps, this necklace exudes sophistication and high-quality craftsmanship. Invest in this timeless piece, seen online listed at $1100, and add a touch of glamour to your wardrobe.
 
Just a side note, The Family member who aquired this many years ago, Her husband was affiliated with the MOB in SF.