Trifari Crown Clear and White Clip On Earrings Vintage

Unusual Crown Trifari clip earrings. The earrings are curved rectangle with the inner portion being white and the sides are clear. The clips are gold-tone metal. Unsure of other materials: Plastic? Acrylic? Lucite? Research indicates that the Crown on top of the Trifari T with the copyright symbol at the end of the word Trifari was used from 1955-1969. Condition: One clip is looser than the other. 60s mod style.