The title of this thread is incoherent.
So are the two sentence fragments in your posts.
Please be more specific so as other members of drugs
forum can better aid you in determining the answer to your question.
Are you speaking about a pack of rolling papers, in which there are 10 left?
What 'slip' do you speak of? The colored paper which is apparent after the last rolling paper is removed?
If so, don't smoke it. A pack of rolling papers contains only so many, and they all look identical. The last one should like like the first. After that, the pack is empty.