Shelley's Vintage Originals.  The pendant is an Antique Art Deco rhinestone encrusted dress clip with square cut deep blue cabochon glass centerpiece.  The pendant is a pot metal and measures 1 1/2" in length and 1 1/4" at it's widest aspect.  It hangs from a sterling link chain that is 17" in length.  It has a toggle clasp closure and can be lengthened of shortened per customer request.