Unknown silver earrings origin and age needed

Hi everyone,

I picked up these earrings in the summer and I just wondered if anyone had any thoughts on age and origin of them? Are they just artisanal or are they perhaps something else? There are no silver marks on this pair and I don't have anything to test them with but they look tarnished silver to me and were like this when I bought them and I haven't tried to clean them yet. I just thought they were unusual and might be something of interest. Thanks for any help you can provide.