On 05/12/2010 09:39, Dave Hill wrote:
Picking up Sachas question of what to get a gardener for Xmas.
I would love to get a permanant marker that actualy was permanant.
In the US of A they used a Laundry marker but that has now been taken
off the market, and I like so many others find that the Sharpie is no
longer fade proof,
So Please Santa can I have A MARKER THAT DOESN'T FADE.

Perhaps not quite what you are after, but these may answer your question:
http://www.theessentialscompany.co.uk/Black_Labels.html

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Jeff