Fizz filled citrine glass radio antenna strain insulator, unmarked. 3-1/4 inches long with a clipped and ground end. One fracture on an eye from mint plus it has drip vent micro bumps on the ribs and a nice sharp mold line. A little beefier than most are of this style. Knock out stunning color and a super sparkler, displays mint, plus its a glower in blacklight. $150.00 shipped anywhere in North America. PayPal, check, or money order. Satisfaction guaranteed, thanks.