These are all being offered by a UK auction house next week.
Although I have one autograph from each of these groups I don't feel confident enough to say that these are not right but I have my doubts.
I may be being swayed by the fact that the auction contains an obvious Beatles fake that I'll post separately.
Here is a link to the auction:
And here are the images:
What do others think?
I know these are all highly sought-after groups so if any are real at least you know they are to be had.