Vintage Cassius Clay signed application for a membership in the American Federation of Television and Radio Artists. This document was signed months before he fought Sonny Liston on Feb. 25, 1964 by way of 7th round KO  and became the Heavyweight Champion of the World. This document is signed and dated 11/27/63. It also has his social security number which has been covered for privacy issues but is not permanently covered.  Document is in very good condition with two natural folds and comes with a LOA from PSA/DNA Authenticators.