U-1461: Japan
3" X 4 3/4" (76mm X 121mm)
(front skirt inkstamp) 1952 {Koransha}
Picture courtesy Bob Berry |
3" X 4 3/4" (76mm X 121mm)
(front skirt inkstamp) Q R 1931
Picture courtesy Bob Berry |
3" X 4 7/8" (76mm X 123mm)
(front skirt inkstamp) 1957 {Shofu}
Picture courtesy Bob Berry |
3" X 4 3/4" (76mm X 121mm)
(front skirt inkstamp) 1953
Picture courtesy Bob Berry |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.