Vintage Large Purple C/Z Earrings

This is a vintage pair of earrings I found in my grandmother’s things Not sure how old they are stamped with LA .925 on the back  But they were in a really nice box and taking care of Please look at all pictures as they are part of my description . As they say a pictures is worth 1000 words. if you need more pictures, please just ask I would be happy to do that. Make me an offer And please ask questions I have added a picture of the pair I found that is the closest to them online . That’s what the last picture is