Armeeoberkommando

Armeeoberkommando ("Army Higher Command"; AOK) was a command level in the German and Austro-Hungarian armies, especially during the World War I and World War II. It was equivalent to a British, French, American, Italian, Japanese, or Imperial Russian "Army".

Sticker used as a seal for the ArmeeOberkommando in East Asia on the back of a 1901 letter