It's Always Sunny in Philadelphia Road Trip Experience yellow T-shirt autographed in black Sharpie by 3 of the 5 main cast members: Glenn Howerton, Rob McElhenney and Kaitlin Olson. Obtained in person, authenticated by JSA with their matching numbered sticker on the collar tag and certificate of authenticity card. T-shirt is size medium and appears to have been worn and laundered a few times. ONLY ONE AVAILABLE FOR SALE.