This is one of many Charles Garnier from Paris, 18 karat yellow gold hollow hoop earrings.

This collection is from a close out store with its left over stock still in the safe.

Circa 1980's.

This designs are extremely detailed with light weight easy comfort earrings.

This pair is 1 1/8 inches in diameter (28 mm) x 1/4 thick (6.5 mm). matte finishes of the gold gives interesting understated reflections of light and dimensions.