Mid Century Modern 1970’s Sterling Brass Orbit Spiral Earrings

Vintage sterling silver acid tested oversized Large spiral earrings with brass sphere orb center. Sphere , solar system, mid Century modern circa 1970’s very old earrings. Orbit Statement piece earrings, very old, one brass sphere has corrosion on back shown & has a previous repair on is looped and other is hammered. Does not affect function just asymmetry of earrings not noticeable unless put side by side. Please refer to photos for vintage condition and description. Offers welcome.