Lovely purple stone CNA earrings. These earrings feature purple square gemstone cabs set in an open back sterling silver design with purple chaton accents. Stamped 925 CNA Thailand one the reverse. Good wearable vintage condition with small normal signs of wear for the age. 

Acid tests positive for sterling silver. 

Earrings measure  1 inch tall and 2/3rds of an inch wide.