U-2294A Berghaus AG porcelain insulator and mounting, $475 ppd. During the second World War, metal shortages resulted in the production of this insulator that didn't need as much metal to mount it to a pole. Incuse marked on the dome of the insulator with a sideways "B" under the legs of an "A" representing the logo of the German company Porcelain Industry Berghaus. 3/8" chip on the back, top corner of where the piece attaches to a pole. PayPal to com574@clcillinois.edu or a check or money order. Rick Soller, 4086 Blackstone Ave., Gurnee, IL 60031