Vintage West Germany Earrings Faux Opal Dragons Breath Enamel Signed Clip On Jewelry Signed West Germany clip-on earrings with faux opal or Dragon's Breath glass cabochons. Some also call them foil glass. There is a pearlescent enamel and faux or imitation pearls as well as small, pave' set opalescent rhinestones. These earrings measure 1" long x 7/8" wide. There is a small dark spot on the back which is common.