This is a beautiful piece of traditional jewelry. 
Type: Necklace set with matching earrings
Design: Temple jewelry style with coin motifs
Necklace:
Base chain has a beaded design with three rows of small rounded beads.
Dangling coins (Lakshmi Kasu design, often called Kasumala or Coin Necklace) attached along the bottom.
Coins are embossed with goddess motifs
Earrings:
Matching coin design.
Each earring has two coins with small bead accents on top.