U-2257: Korea

3 1/8" X 3 3/8" (79mm X 85mm)

 

(skirt inkstamp) 19 86

                        D.P.R.K

                       N-80

{Maker unknown}

 

Picture courtesy Bob Berry

U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.


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