Vintage Bluebird Bird Rhinestones C Clasp Brooch Pin Tack Brass Ceramic Plastic.

This is unsigned, but it certainly looks to be over 100 years old.  I can only guess what it is made of. It looks like the plastic type material was affixed to a metal type material. It is absolutely beautiful. There are some signs of age. The pin is a little bent. The pin has come apart. I did it while taking pictures. I've added photos of it. I'm sure it can be fixed but would likely need to be soldered.  I don't know much about pins. It is still an amazing vintage piece, though.

Please see the photos for accuracy as to size and condition.