Vintage “Germany” Mother of Pearl? Gold Tone Earrings Clip on

Estate Jewelry, not sure if they are made of mother of pearl, the surface is matt to touch but yet there are some mother of pearl striations and reflective. After cleaning, the oxidation was removed and revealed “Germany” on the back. Not all the oxidation (on the metal part) was able to be removed as shown in the last photo. Signs of wear as shown in the last photo Smoke and pet free home Reasonable Offers will be seriously considered. Please feel free to ask all questions before purchasing. As I haven’t figured out the return part. Please note that all measurements are approximate. More measurements will be provided (with photos), upon request, by adding to the listing.