They don't appear to be done by Neil Aspinall...they're not in his style...this wasn't done by Mal Evans...who signed when Neil didn't...which wasn't often...probably just someone trying to copy Beatle signatures onto a photo...
The "o"s in George and John's signatures, the "M" in Paul's signature, the backwards "o" in Ringo and the "Lennon" all look like Aspinall's work to me.