Esti Frederica SS & 18k gold citrine clip earrings w step down cross design.

The New York jewelry company was run by Esti Scharf, while the jewelry was designed and sold by Frederica Zwiebel. A great partnership that resulted in gold jewelry with a matte finish, sometimes adorned with low reliefs in geometric shapes. Prices ranged from $2,000 for earrings to $28,000 for an untypical necklace of gold, diamonds and emeralds. (NY Times article March 11, 1990.) Frederica Collection is now retired. One earring back marked.