Vintage 1980's Circle Square Knocker Clip-On Earrings Satin Goldtone &‎ Ivory

In excellent pre-owned vintage condition. Square with circle inset on top, round with square inset dangling below. Both insets are an Ivory white color, and the goldtone has a satin finish. There is a C in a circle as the makers mark but as it's so similar to the copyright sign, I'm not sure who's if any signature it is. If you know, please share the info? thanks! Measurements in photos Thanks for looking, sorry no trades or holds. Reasonable offers welcomed, lowball offers ignored. We ship Monday through Friday. wjb