4" X 3" (102mm X 76mm)
(skirt
ink stamp)
Picture courtesy Barrett Nicpon |
3 7/8" X 2 7/8" (99mm X 73mm)
(skirt
ink stamp)
Picture courtesy Barrett Nicpon |
U-2247: Canada
4" X 3" (102mm X 76mm)
(skirt
ink stamp)
Picture courtesy Barrett Nicpon |
3 7/8" X 2 7/8" (99mm X 73mm)
(skirt
ink stamp)
Picture courtesy Barrett Nicpon |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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