CD-156.1 BLUE AQUA AM. INSULATOR CO. another top shelf insulator ( Base) AM. INSULATOR CO / PAT SEPT 13 1881 . Perfect in every way the base embossing is strong and very readable. Check out the big bubble in the front where you want it!! also a couple of wisps of AMBER in the glass. This insulator has no damage at all NONE!!...$55.00... Plus postage. Picture taken outdoors. Buy with confidence! I ship USPS Priority Mail, Payment may be made by Pay- Pal or other forms. NO AUCTION TO BID, NO BUYERS PREMINUM TO PAY---- WE DO NOT SELL FAKE, PAINTED, STAINED or ALTERED INSULATORS. Don't wait for the sale it's not going to happen.