3 3/4" X 3 3/8" (95mm X 85mm)
(ink stamp) PINCO {Porcelain Insulator Co.}
Picture courtesy Bill Ostrander |
U-482: USA
3 3/4" X 3 3/8" (95mm X 85mm)
(ink stamp) PINCO {Porcelain Insulator Co.}
Picture courtesy Bill Ostrander |
U number assignment by Jack Tod.
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