Probably vintage Italian coral, with a costume clasp.

Bidders living outside of Canada are warned to proceed with care before bidding on this lot as it cannot be shipped outside of Canada in most cases. This item contains material that may be protected under CITES (Convention on International Trade in Endangered Species). It is the bidder's sole responsibility to be aware of legal restrictions on export or import of this item before bidding. Inability to ship to desired destination will not be a ground for invalidating a sale.

Natural red coral, probably Italian. Good colour. There is no formal appraisal with this necklace. There are smaller beads set in between the graduated beads of the necklace. There are five missing “in between beads” towards the costume clasp where there are knots instead. Clasp I’m working order. L. of necklace: approx. 30.5 cm (12 in.) Dia. of largest bead: 70 mm (0.7 cm or 11/16 in.) Dia. of smallest bead: 40 mm (0.4 cm or 3/16 in.) Dia. of in between bead: approx. 15 mm (0.15 cm or ⅛ in.) Please see additional detailed photos for further clarification: https://drive.google.com/drive/folders/11htMzBgR6rIKF_vJ_viMQDrB7znZcS0_?usp=sharing