U-1549: New Zealand
3" X 4 7/8" (77mm X 122mm)
(top inkstamp) NZI MADE IN NEW ZEALAND 1973 {NZI}
Picture courtesy Craig Polkinghorne |
3 1/8" X 4 3/4" (80mm X 120mm)
(top inkstamp) "Illegible" {NZI}
Picture courtesy Craig Polkinghorne |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.