PS card from Serbia canc."K.u.K.ETAPPENPOSTAMT-BOGATIC*31-VII-17",trans.Vienna (triangular censor.cachet "GEMEINSAMES ZENTR.NACHW.BURO-ZENSUR ABTEILUNG*WIEN" & signature),arr.2-line "NEZOIDER/27.9.917" (Slovakia).Addressee Serbian prisoner of war.