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2 7/8" X 3 1/8" (72mm X 79mm)
(skirt inkstamp) MADE IN JAPAN
Picture courtesy Bob Berry |
U-2372: Japan
|
2 7/8" X 3 1/8" (72mm X 79mm)
(skirt inkstamp) MADE IN JAPAN
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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