Trifari Royal Blue Oval Earrings Gold Tone Domed Oval Post Earrings Signed

Trifari Royal Blue Oval Earrings Gold Tone Domed Oval Post Pierced Earrings Signed Classic well made post earrings having an opaque lucite oval dome shape inset in blue. Gold tone metal framing. Signed with a cartuche on the back with the copyright symbol. I believe this dates them to 1970s-1980s. Measurements:  7/8" L x 5/8" W x 1/4" D Condition:  Excellent vintage condition with minimal scuffs and scratches on "stone". Could use a light cleaning. Some minor plate loss. Butterfly backs have been replaced. No other noticed blemishes or damage. Normal wear for age. Please see all photos.