Vintage sterling silver earrings

Vintage silver earring stamped 'sterling B" My research identifies the earrings as Burkhardt from the 1970's. Burkhardt also produced for Birks but it is not clear if these earrings were for Birks Sort of hoop shaped loops See photo for the measurements Total weight 6g Pierced ears required Will be shipped with a decorative pouch Vintage, preowned, some wear on earrings when examined closely - see photos