Not on his forearm. Not on his back. But on the back of his hand below the line of his shirt cuff.
This taxi driver in Graz was happy for me to photograph his hand and he proudly told me that he owns an Audi. I wasn't so sure about that as he didn't clarify which model.
The word 'brand' comes originally from the hot branding irons that burned the owner's mark onto the hide of a cow. So, in this case, who is claiming ownership of whom?
I didn't get to see his left hand...