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Keywords from Image Description:
IRA FLtCol h. de Rangabzeichen der Kaiserlisch Russischen Armee KR Zaristischen Armee hier Oberstleutnant OF Schulterstck Besonderheit Kosakenarmee Podpolkownik bis TruppenStarschina ab en Rank insignia of the Imperial Russian Army IRA here Lieutenant colonel OF shoulder strap Particularity Cossack Army Podpolkovnik to CortpsStarshina