Bidspirit auction | 18KYG Vintage Italian Guilloche-Enamel Bangle

18KYG Vintage Italian Guilloche-Enamel Bangle - Metal : 18K yellow gold with translucent emerald-green guilloché enamel, Italian hallmark Gross Weight : 31.8 g Interior Size : 57 × 50 mm oval (approx. 7 in wearable length) Design Type : Solid hinged bangle with safety chain; engine-turned ground overlaid by transparent vitreous enamel and polished zig-zag gold filigree seams Finish / Construction : Two-part box clasp with tongue & groove; interior high-polish; exterior hand-enameled in a kiln-fired process for durable color depth This rigid oval bangle is fabricated in solid 18-karat yellow gold and fully encased on the exterior with translucent emerald-green guilloché enamel that reveals a radiating engine-turned pattern beneath. A fine zig-zag gold overlay accentuates the clasp seam and provides visual continuity around the circumference. The bracelet opens on a concealed side hinge and secures with a low-profile box clasp supplemented by a safety chain. The substantial 31.8-gram weight, precise hinge fit, and uniform enamel application suggest careful hand finishing and good structural integrity suitable for regular wear.