A vintage double-strand graduated cultured pearl opera necklace fitted with a glazed panel and seed pearl mourning clasp,unhallmarked, assessed as 9ct gold. Pearl strands: the shortest length is 68.5 cm, and the longest length is 71.5 cm, both lengths excluding the mourning clasp at 1.5 cm. Pearl graduation from 3.1 mm - 8.0 mm.