Pair of Birmingham England Chalcedony, Blue Enamel, 18k Yellow Gold Cufflinks. Each featuring two round shaped chalcedony cabochons measuring approximately 10.2 mm, surrounded by a navy blue enamel ring, set in an 18k yellow gold mounting linked by open oval links. c. 1999 {Gross Weight: 11.9 dwts} Provenance: From the esteemed collection of Amir H. Mozaffarian Fine Jewels Since 1883, San Francisco CA. Note: Backs marked "England D&F"