2 1/4" X 3" (55mm X 74mm)
(dome ink stamp) 1979 / D.P.R.K. / RMK-75 {Product of North Korea}
Picture courtesy Bob Scafe |
U-1228: Korea
2 1/4" X 3" (55mm X 74mm)
(dome ink stamp) 1979 / D.P.R.K. / RMK-75 {Product of North Korea}
Picture courtesy Bob Scafe |
U number assignment from Worldwide Porcelain Insulators by Marilyn Albers & Jack Tod.
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