This is a simple pair of vintage Japanese akoya saltwater cultured pearl screwback double earrings.

The pearls measure 4.50-6.00mm. They have good luster with light pink overtones and white color. 

They are stamped "STERLING" for solid sterling silver. The earrings measure 3/8 inch long. From Japan 1950's-1980's.

All pearls are truly vintage and have only been lightly cleaned.