Not sure. But I thought I saw a place their last time I was their.
Pretty sure there's a guy that makes specialty decals but I don't think they work on coffee mugs
I was there this last Saturday and I didn't see a booth which did this. But like Jay said, "... Call them and ask to be sure."
I'm not for sure, call them an ask to be sure.
Thanks! Your answer is awaiting moderation.