Anton Heunis Crystal Drop Earring. Anton Heunis Crystal Drop Earring. Gold-plated brass earrings. Omega clasp closure. Crystal accents. Acrylic beads. Nickel & lead-free. Measures approx 1 W x 2.5 H. Handmade in Madrid, Spain. AHEU-WL104. RRS3.04. South Africa born, Anton Heunis combined his background of Fine Arts and gold-smithing into his own successful jewelry line. Each design is finely crafted and handmade in his studio in the center of Madrid. Using only the finest quality materials such as rare vintage glass, Swarovski crystals, and semiprecious stones to achieve a contemporary aesthetic with a timeless feel.