Art Deco Style French Jet Black Crystal Bead Long Chain, Fob Clasp, Muff, Guard Chain. Mourning Style or hotsell Victorian Style Faceted Bead Chain

Art Deco Style French Jet Black Crystal Bead Long Chain, Fob Clasp, Muff or Guard Chain or Pocket Watch Chain or Locket Chain. Mourning Style or Victorian Style Faceted Bead Chain, it certainly seems it has been around a while, please zoom in and see all images, I am always here for questions. Fob is silver tone, fob clasp style.

48 IN Long Length, double or triple around the neck
Muff or guard style chain
The black glass crystal beads, especially the oblong larger ones show age, with chipping and surface age/bites
Condition is as shown, I did try to go over most of the links to see if they were secure, please go over them again, again
this could be quite old. Sold as is, as described, as shown
Oblong beads are approx 1/2 in Long or 13.2 MM x 6 MM hotsell or 1/4 IN, each bead varies a bit
Round smaller beads are approx 5 MM or 3/16 IN
Victorian Mourning style, I do believe it is older, how old I do not know, I see one with a locket for over $1300, I do really...