An Oval Box rock crystal 750/1000 gold ring and cover, application of painted rock crystal "Ducks" and set with 10 brilliant cut diamonds with an approximate weight of 0.50 ct. English signs of use London mark (1990), Asprey & Cº Ltd maker's mark (1987-1997), remarked with Lisbon mark (post-1985) Dimensões (altura x comprimento x largura) - 3,5 x 5,8 x 4,5 cm