This is a Blue clear beaded clip on earring. The diameter is roughly 25mm. There are 7 large clear and blue glass beads that measure around 9mm in diameter. There are also 6 smaller beads, roughly 1mm in diameter. The beads are threaded together with wire in a flower pattern. The clip is a silver metal.
There are no markings to symbolize maker, and no stamps to symbolize metal type.