I got this shell in a trade from my buddy tonight, and need some help to ID it. It seem to be intact (w/out a charge),it is approx 10 1/2tall and approx 80mm in diameter. The Fuze is marked “LWMZ dr.2” and T.K.D.18. The top side of the shell is marked “2769” over “UU”. The center of the side of the shell is mark first line“1A”,second line “1483 round mark A 18”,third line “20 20 20”,fourth line SS UU ??. the side is also marked w/a letter N in black paint.The bottom side of the shell is marked “41.. the same round mark as above A A! 18 GGF 20 UU.I have look around on the web, but couldn’t find any information on it.