Two coral bead necklaces

Two coral bead necklaces, the first comprising a single strand of coral corallium rubrum beads, graduating from approximately 11.4mm to 5mm in diameter, with bolt ring clasp, the second comprising a continuous single strand of coral corallium rubrum beads, graduating from approximately 8.3mm to 4.4mm in diameter, lengths 48cm and 96cm respectively (2)
Both necklaces has areas of pitting and brownish fractures to the beads, and all beads have surface wear, scuffs, nicks and chips, commensurate for use. Some of the beads have a brownish grease/dirt residue to the surface. The coral is untested for use of treatments. Approximate gross weights: first necklace 31gm, second necklace 52gm.