Crystals have nice weight to them
Maker unknown; unsigned
The chain metal fittings are identical to those of signed Miriam Haskell pieces, so my best guess is this is an unsigned Miriam Haskell piece, which can retail for over $1,000.00
Otherwise it could be a Juliana Delizza & Elster; Trifari; Hattie Carnegie; Sherman; or Vendome piece
Period and date unknown
Probably 1st half 20th century
Place of manufacture unknown
Fittings probably gold plated brassQuality craftsmanship
Adjustable chain length
J-Hook closure
Wear as waterfall bib or choker
Excellent condition - see photos