A Cobra Kai Unframed 11x14 Season 4 Poster hand signed by Ralph Macchio. The item and signature are in excellent condition. Ralph Macchio is best known for his role as Daniel Larusso in the 1984 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