U-1705: Germany

2 7/8" X 4" (71mm X 101mm)

 

(crown inkstamp)

{Rosenthal}

 

Picture courtesy Bob Berry

2 7/8" X 4 1/8" (72mm X 104mm)

 

 

 

No markings

 

 

 

Picture courtesy Bob Berry

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


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