Trio of vintage ruby red glass necklaces, all with extenders

From left to right in the first photo: - faceted flowers on a chain of curved links - 14-1/2 + 3 inches - marquise cabochon vine on a herringbone chain - 17 + 3 inches - aurora borealis stones - 16 + 1-1/2 inches None of these necklaces have markings. All are in very good condition, with secure closures and no missing or chipped stones.