This is a vintage pair of triple Japanese akoya saltwater cultured pearl screwback engraved earrings.

The pearls measure 3.75mm. They have good luster with light pink overtones and white color. 

They are stamped "A SILVER" for solid sterling silver. The earrings measure 5/8 inch long. From Japan 1950's-1980's.

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