11x17 inch Phineas and Ferb farewell poster autographed in black marker by Dan Povenmire (co-creator and voice of Dr. Heinz Doofenshmirtz) and Jeff (Swampy) Marsh (co-creator and voice of Major Monogram), along with voice stars Dee Bradley Baker (Perry), Vincent Martella (Phineas), Alyson Stoner (Isabella and she added her character name) and Olivia Olson (Vanessa and she added her character name) for a total of 6 signatures. Obtained in person at limited 2015 Comic-Con signing, with photo from the signing and certificate of authenticity from AutographsForSale.com (Olson was added at a later signing). Has very minor handling flaws/wear. SIGNATURES WILL VARY SLIGHTLY AS WE OBTAINED MULTIPLE POSTERS FROM THIS SIGNING. ONLY 2 LEFT.