- Stamped KP 43 on side of crown
- Stamped KP 45 on side of crown X
- Stamped KP 48 on side of crown
- Unmarked- Has wide skirt girth
- Unmarked, glazed top of crown
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Australian Telegraph Insulators
RandomAustralian insulators from communications lines. There are several different kinds that look the same at a glance, but they are very different. This shows some of the many kinds of Australian insulator. There are pottery, porcelain, glass and even...