NIA ruby red unthreaded hat style commemorative insulator. Base embossed 30TH NIA CONVENTION SCOTTSDALE, ARIZONA JUNE 25-27, 1999. The Grand Canyon Insulator Club logo is embossed on the dome. 4-1/8 inches tall with a 3-1/4 inch base diameter. Mint condition, satisfaction guaranteed, more pics no problem. $60.00 gets it shipped via USPS anywhere in North America. PayPal, check, or m.o.. Thanks