what is this "sign"

[don1982]

I found this sign on a gate post from a bridleway to road - does it have a reason/role/significance?

oops I cant paste a jpeg

[jno]

post it on flickr or similar, then post a link

[SteveD]

Could it be something to do with this?:

http://en.wikipedia.org/wiki/Warchalking

Or maybe the British equivalent of "hobo symbols"?

[SteveD]

Here are some "hobo symbols":

http://www.geocities.com/ctesibos/symbols/hobo.html