I guess that George Harrison signature is him indeed (because it's an official document), but what's interesting is The Beatles used a system for autographs for

I guess that George Harrison signature is him indeed (because it's an official document), but what's interesting is The Beatles used a system for autographs for fans where one band member would do the autographs of the entire band on any given day. So as a collector you would need 16 signatures if you wanted to complete your collection.