Lighthouses of New Zealand

On 7 January 2009, New Zealand Post will issue a series of five stamps commemorating the 150th anniversary of New Zealand's first lighthouse (Pencarrow).

Each stamp features a technological "landmark" of its own - lighthouse beams that actually glow in the dark!

To activate the glow-in-the-dark ink, hold the stamps for a short time under a light, or in the sun - the effect can then be seen in the dark.

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