A Cobra Kai Unframed 11x14 Season 4 with Cast Poster hand signed by Ralph Macchio. The item and signature are in excellent condition. Ralph Macchio is an American actor most notably known for his role as Daniel LaRusso in 1984 The Karate Kid Movie and Cobra Kai Netflix Series. AUTHENTICATION: The item is accompanied by a Beckett Certificate of Authenticity - Beckett Serial Numbered and Databased Hologram