Vintage/Antique Robèrt Clip-On Earrings -Intricate Details!

These collectible and rare pair of antique clip-on earrings are signed "Robèr" or "Robèrt" and appear to have either crystal or high quality glass, rhinestones in rich brown, yellow/orange and pearl. They have incredibly intricate detailing and are very well made. Not much available for research or comparable to these. Possible from the 1930-1950s. They are a real statement piece. See pictures as part of the description please. From a non smoking home. Part of an estate collection. Happy to combine shipping.