U-1654: Italy
2 3/8" X 3 1/4" (59mm X 83mm)
No markings {This is a "B85" style insulator}
Picture courtesy Dave Dangora |
2 3/8" X 3 1/4" (59mm X 83mm)
(crown inkstamp) {Verbano}
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.