Thanks for all the help. - Sure I'll be able to identify it now!
Brad - that sounds the same as the Adox I have been using, thanks.
I'd do the "lip" or "breathing" test, but unfortunatly I'm going to be using a changing bag - I do this for colour paper in the darkroom, to make sure I have the right side.
The Ilford web site has the info for film notches for each of the particular films
Its the best place to look for most of this sort of thing
For FP4 follow this link :-
Best of luck