Was at Indycar Classic in Circuit of the Americas over the weekend and I got the following

On diecasts
On back of Graham Rahal bobblehad
On cards
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On the cards they provided during the signing:
Marco Andretti, Matheus Leist, Patricio O'Ward, Kyle Kaiser, Spencer Pigot, Max Chilton (X2; one of them is a personal photo I took of him few years ago), Oliver Askew, Robert Megennis, Ryan Norman, Dalton Kellett, David Malukas, Rinus Veekay, Julien Falchero, Toby Sowery (also gave me a can of Rich Energy), Lucas Kohl, Zachery Claman Demelo