This crude light purple CD102{020} B.G.M. CO., or Baltimore Glass Manufacturing  Insulator stands 3-1/2″ tall and is 2-1/4″ OD at the base. The insulator is embossed with the “B.G.M. CO.” logo on the front skirt, nothing embossed on the rear skirt, with a smooth base. This unit is in “near mint” condition with just two tiny touch marks on the back. The base is clean and  chip free. USPS shipping.