CD 169.5 BROOKFIELD This mold line over the base insulator is embossed on the (F-Skirt) BROOKFIELD. On the right side of the skirt glass it looks like it was etch about a ½ inch wide from the groove to the base. It also has some white foamy bubbles in a wisp in the rear glass skirt. This insulator books for $30.00 but this one can be yours for only… $15.00… it's another great buy. Plus postage (Insurance is optional/extra). Buy with confidence! We do not sell altered insulators. Don't wait for a sale it's not going to happen.