Archduke of Austria whose assassination precipitated the beginning of World War I. Impressive vintage 5.5 x 9 cabinet photo by Adele of Wein, showing Ferdinand in his military uniform, boldly signed in fountain pen by Ferdinand and dated 1908. Some scattered light surface scratches and dings and oval shaped toning from previous display, otherwise fine condition. COA John Reznikoff/PSA/DNA and R&R COA.