The pic must have taken in middle 1930's. The Master sergeant (Başçavuş) Ahmet Efendi veteran of many wars, shot this pix for the anniversary of a national day. He wears the kalpak of National Forces during 1919-22 period. He has his başçavuş apolette from the ottoman period (1912-19) and the uniform (1930-47) Shortly a mixture of military of different periods.