Designer 18K Gold Cocoon Earrings

Shimmery Modernist 18K yellow Gold 18K earrings are marked 750 and have been tested as 18K gold, and feature white gold ear wires.  They measure about 1 1/4 inches long from the top of the ear wire by about 3/8 inch wide.  They weigh 3.5 grams and they are in great vintage condition.  They look like Erich Zimmermann designs but they are not signed.