A cloisone enamel pendant necklace with blister pearl drop

A cloisone enamel pendant necklace with blister pearl drop, the design attributed to W S Hadaway, the circular enamel decorated with a ship at full sail, in shades of green, blue and purple unsigned 3cm. diam. Literature British Decorative Arts, including the Larner Collection of Jewellery, London 9th October 1992 lot 73 for a comparable brooch. Art Workers Quarterly, 1904 page 117 for a similar pendant.