10mm Honora black pearl sterling silver stud earrings

These earrings came from an estate purchase and are in excellent pre owned condition snowing little to no signs of wear.  Sterling silver likely plated with rhodium with black cultured pearls measuring about 10mm. Hallmark on post is Honora pearls. These are most likely freshwater pearls and not Tahitian. Sterling silver jumbo Happy Backs included. 925 Reasonable offers considered