Very rare convertible clip-on earrings by Guillemin & Soulaine, Paris, 1970, crafted in solid 18K yellow gold with high polish and platinum diamond settings. Set with 28 pavé graduated round brilliant diamonds (0.45 ct, E/F, VVS1) and 12 tapered baguette diamonds (0.98 ct, F, VS1). Measures 34 x 15 mm (1.35 x 0.59 in), total weight 20.4 grams. Fitted with hinged French omega backs and sliding wires for conversion; posts can be added. Stamped with French eagle and dog assay marks, maker’s mark “Ste. G et S,” and signed “G. SOULAINE OR .750 PT.” The overall condition of Qing Dynasty Censer is excellent. Beside the little normal wear, there is no damage and all parts are secured in their settings. This antique censer has been carefully inspected to guarantee the condition and authenticity.