Vintage Branch Cluster Akoya Saltwater Cultured Pearl Screwback Earrings Silver

This is a detailed pair of branch cluster style Japanese akoya saltwater cultured pearl & sterling silver screwback earrings. The pearls are round with fantastic luster and bright rosy pink overtones. They measure from 3.50-4.50mm. They are arranged in two clusters that appear to be branches tied together. They are stamped "STERLING SILVER". From Japan 1950's-1960's. They measure 1 1/8 in across. All pearls are truly vintage and have only been lightly cleaned.