Poland. (Austrian Military Mail - Russia). 1915. Russian postal stationery card 3k red upgraded with Austo/ Hungary Yvert 22, 1k olive (2) and Yvert 24, 3k lilac tied by 'K.U.K. Etapenpostamt/ Dabrowa in Polen' double ring '20th Dec 15' with hand-struck 'K.U.K. Kreiskommando/ Dabrowa/ Zensurstelle' censor in carmine on face.
Very attractive franking.