Stan Lee prices haven’t been announced yet but according to London Super Comic Con, they will be in the next few weeks. We have heard rumours from various sources that he will be charging £50 plus per signature. Here at comic conventions we can quote London Super Comic Con on this one “levels quoted are too high”, so there you have it. Signatures will be less than £50.
Also from Desert Wind Comics “The average price for Stan Lee signatures in 2011 at a public signing event was $50 (£33) per item signed. This price did not include and CGC gradings”