CD 155 [010] (front skirt) KERR DP1 (rear skirt) MADE IN U.S.A. 24 72, smooth base, mint condition, cobalt blob in skirt. These were made by some insulator collectors who had access to the factory at night. They forgot to turn on the mixer so the cobalt is in a blob, rather than having formed a uniform cobalt color. They were made in Millville, New Jersey and have grown in popularity over the years. $875 postpaid. PayPal, check or money order is fine. Rick Soller, 4086 Blackstone Ave., Gurnee, IL 60031. Reduced to $775 postpaid.