U-2437: China

3 3/4" X 3 1/8" (95mm X 78mm)

 

(front skirt ink stamp) SI-102

                                CHINA-01

                                55-2

(rear skirt ink stamp) SAPANA

 

 

Picture courtesy Bob Berry

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


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