Brooches Jewels : *SILVER-TOPPED-GOLD AND DIAMOND SHELL BROOCH, CIRCA 1880 Set with numerous old m… 18 August 2018 3210 Brooches Jewels : *SILVER-TOPPED-GOLD AND DIAMOND SHELL BROOCH, CIRCA 1880 Set with numerous old mine and rose-cut diamonds weighing approximately 5.00 carats.