Vintage Clip On Earrings Very Unusual

Vintage Clip On Earrings Very Unusual These earrings measure just over 7/8". Not sure of material, has a uneven surface so may be a natural material. Light marks to front. Lots of glue overflow to rear, has caused a bump on the back of one of the earrings. Could possible need some after market pads for comfort (not included). Preowned vintage earrings, sold as shown - I am unsure of material type(s) because of this. Pictures show different angles for you to review - while I attempt to note any defects, some tarnish/signs of wear may be visible that are not otherwise stated. Earrings are tested and photographed on a thin/smooth earring stand (not included) to show that the clips are in working order. If you have any questions please feel free to drop me a message.