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Otto Skorzeny was an Austrian lieutenant colonel in the Waffen-SS during World War II - most famous for freeing Mussolini after his overthrough in 1943.
A unique album of mugshots and signatures that helped bring scores of Nazi war criminals to justice has been unearthed more than 70 years later.
The gallery that is like a Who's Who of Hitler's henchmen involved in the Holocaust was assembled by an Allied intelligence officer whose job was to interrogate the monsters.
A vital part of the questioning was to get them to provide an authentic signature to compare it with handwriting of Nazi officials who signed off orders for war atrocities.
The album is being sold at C&T Auctioneers of Ashford, Kent, on September 7.