These are a lovely pair of engraved Mikimoto Japanese akoya saltwater cultured pearl mid century cluster screwback earrings. 

The pearls are highly lustrous with rosy overtones and measure 5.25-6.50mm. They are white in color. They are set among an engraved and milgrained leaf design.

They are made of solid sterling. Stamped "M" in a clamshell for Mikimoto and "SILVER" for sterling silver. Measure 5/8 inch high. From Japan 1930's-1980's.

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