|
2 1/4" X 2 1/2" (58mm X 64mm)
(top ink stamp)
Picture courtesy Dave Dangora |
U-1644: Italy
|
2 1/4" X 2 1/2" (58mm X 64mm)
(top ink stamp)
Picture courtesy Dave Dangora |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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