CD 109 CHICAGO INSULATING CO.[010] (Base) CHICAGO INSULATING CO./PAT.OCT.16, 1883. BE is Aqua in color. There are two fleabites on the skirt, fleabite on the edge of the skirt where it meets the base, 1/4-inch razor flake on the edge of the base that takes off the bottom edge of the 3 in 1883 and 1/8-inch open bubble on the base that takes off the 1 in 1883. Those are all the fine detail. Overall in super clean condition. You would be hard pressed to upgrade from this one. Price - $3000.00. including shipping and insurance. Check, Money Order or PayPal Family Friend money transfer.