Don D Cake - thanks for that! It appears I have been labouring under the wrong impression, and I think I was advised this by someone who ought to know better, never mind! Anyway, I haven't yet charged anyone more than their share (he hastily adds!)
So,
SteveR, how much
does 3 mms of chinagraph pencil cost then!? <img src="eek.gif" border="0"> <img src="tongue.gif" border="0">
. .Andy <img src="cool.gif" border="0">