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The Düyun-u Umumiye — the Ottoman Public Debt Administration — was itself a product of the empire's 1881 fiscal humiliation, established under European creditor control after the Ottomans defaulted on their external debt. That this same body was issuing emergency currency by 1915 tells you something about how badly the war had already disrupted normal monetary channels within the first year of Ottoman involvement.

Giesecke & Devrient in Leipzig printed the series, which creates an immediate logistical curiosity: Germany was an Ottoman ally, and the notes had to travel from Saxony to Constantinople through an active wartime supply corridor. Delivery was not guaranteed.