On September 10, 1966, Muhammad Ali defended his heavyweight title for the sixth time, traveling to Frankfurt, Germany's Waldstadion to face local hero Karl Mildenberger — the first German to challenge for the heavyweight crown since Max Schmeling. Ali, still in full command during the prime of his first championship reign, outboxed and stopped Mildenberger in the 12th round, extending his unbeaten record less than a year before he was stripped of his title for refusing induction into the U.S. Army. Offered here is the ticket stub from this overseas title defense, printed in German and detailing the bout between "Muhammad Ali (vormals Cassius Clay)" and "Karl Mildenberger," promoted by Joachim Göttert and Harry Levene in association with Viewsport, Ltd. of London. The stub is marked for Sektor Rot (Red Sector), Block 13C, Reihe (Row) 15, Platz (Seat) 413, with an original face price of 50 Deutsche Marks (later reduced to 35). Graded PSA GD 2 (MK), the ticket shows honest wear befitting a stub that was actually used at a packed European stadium six decades ago. International Ali title-defense tickets are considerably scarcer than their American counterparts, making this an appealing piece for collectors focused on Ali's globe-spanning championship reign.