Hi, I bought this autograph on ebay 2 years ago from a specialist 
seller in england "db signed collectables" with no COA for 76 £.
It was signed to a woman at the end of the concert at the Lanxess 
Arena, in Cologne in 2015
(I have a picture of the woman with Bono that the seller sent me)

It was a bet and i had it authenticated by autographcoa recently,
but they replied that it is a fake.

Can they be wrong ?

Because apart from the end of the autograph which is weird and
the very clean drawing where I have doubts,
the rest looks authentic.

What do you think ?

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