Vintage Enamel & Plastic Pierced Earrings Lot Of 4. 1. Triangle enamel swirl pierced earrings. 2. SG- Calla Lillies enamel cloisonne pierced earrings. 3. Plastic round swirl earrings. Made in Hong Kong. 4. Yellow floral enamel pierced earrings. All earrings are in gently used good condition.