Austrian WW1 Kuk Waterbottle

KuK AUSTRIAN WW1 WATERBOTTLE FELDFLASCHE
K.K Feldflasche
K+K Österreich Feldflasche 1.WK.

The German phrase kaiserlich und königlich , (Imperial and Royal),typically abbreviated as k. u. k., k. und k., k. and ; k. or Hungarian: cs. és k. (in all cases the "und" is always spoken unabbreviated), refers to the Court of the Habsburgs in a broader historical perspective