CD 135 CHICAGO INSULATING Co. BLUE ( Base) CHICAGO INSULATING CO. / PAT OCT 16 1883. ( F-Skirt) 3 Dots This BLUE insulator is loaded with fine bubbles throughout the glass, as well as a WHITE MILK STRING from the wire groove to the Dome, WHITE cullet is thru out the glass and take a look at that GLOB of BLACK stuff in the skirt Glass. A few scattered flea bites and a couple of rubs on the upper rim in one spot. Very Fairly priced at only ...$85.00... Buy with confidence! I ship USPS Priority Mail, with the buyer paying the actual shipping... All insulators are shipped with first $50.00 of insurance included (no cost to you the buyer). NEVER A FEE FOR "HANDLING"! Payment may be made by pay- pal or other forms. ---- WE DO NOT SELL FAKE, PAINTED, STAINED or ALTERED INSULATORS.