Tiffany & Co., lapis lazuli Cufflink and studs set, c. 1984, each featuring a spherical polished lapis lazuli ball set in 18ct yellow gold, cufflinks with 14ct yellow gold counter balance, cufflinks stamped 'Tiffany & Co. 14K', with Tiffany & Co. Box (5), 15.22 grams, cf. For comparison Tiffany & Co. 1984 selection catalogue spring-summer, p. 16