Sterling Silver Art Deco Bar Pin Brooch Cobalt Blue Clear Glass

Offered is a vintage bar pin of sterling silver. The brooch measures 2 1/4″ long and is decorated with inset alternating facets of clear and cobalt blue. Of an Art Deco style, it is marked simply sterling on the reverse side.  This has a peculiar bullet shaped C clasp. Under magnification, one of the clear stones appears to be a replacement for it looks a hair larger than the rest. There are no other imperfections noted.