|
3" X 4 7/8" (75mm X 128mm)
(skirt inkstamp) (upper skirt incuse) 6
Picture courtesy Bob Berry |
U-1833: Portugal
|
3" X 4 7/8" (75mm X 128mm)
(skirt inkstamp) (upper skirt incuse) 6
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators 1986 Supplement by Marilyn Albers & Jack Tod.
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