Aurora borealis rhinestones with pot metal, copyright coro suggest 1960
ish and the rough finish makes me think a prototype or maker's proof,
maybe a poorly stored piece. Certainly rare and nearly 7 decades old.
imho
Yes, probably a student effort. When I took classes at our community
college, we were presented with a beautiful collection of original work,
made molds and cast pieces from our molds. In my opinion, contemporary
student work...
try
here...http://www.midcenturyjewelry.com/mid-century-wingback-earrings-judith-mccann-invention/
Your earrings look like vintage wingbacks for people who do not have
pierced ears...they are right side up in the pics and the long wire goes
behind th...