Another snippet from a mate on my VFR forum:

I had the privilege to attend Casey's birthday party on the Monday after
the Aussie GP at Ducati City in Melbourne. Anyway, a customer had a
tri-colour 1098 in the workshop to have an aftermarket zorst fitted. It
was sitting next to another one that Casey was asked to autograph. He
ended up signing both bikes. I would have loved to have seen the
customer's face when he picked up his bike to have this graffiti on the
fairing.

Pretty cool