Antique Victorian Blue Enamel Snake Necklace

An antique blue enamel snake necklace, with a gold scale link body and blue enamelled head, set with natural half pearls, with diamond eyes, with a blue enamel heart drop suspended from its mouth, with a locket back containing hair and a monogram. Length approximately 400mm. Circa 1860’s. In Victorian symbolism the snake biting its tail symbolized eternal love