There is no apparent reason for the multitude of colours used in stamps.
- Stamped WP 51 on top of crown, black ink X
- Stamped W 52 on top of crown, brown ink
- Stamped W 55 on side of crown, black ink
- Stamped W 55 on side, black ink X
- Stamped W 56 on side of crown, black ink
- Stamped W/59 on top, brown ink
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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...
