The Berlin Tennis Gallery - Tony Trabert Signature (similar to C6). With many thanks to fellow collector Rodney Lack for providing the illustrated ad from 1976. The Tony Trabert signature racket is
Tony Trabert C6 Graphite Tennis Racquet 4 5/8 (SN TOG03A)
Tony Trabert Capry - antiquerackets.com
Vintage Tony Trabert "Stylist" Wilson Wooden Tennis Racket and Sleeve | Tony trabert, Tony, Wilson