German WWII Feldpost Envelope and Letter, Luftwaffe Flak, FP 34945, 1941

Original era mailing. Two page letter with original envelope, mailed on 15 November 1941. Clear eagle inkstamp on the lower left corner. Mailed to a young woman (Fraulein) in Essen, 15 November 1941, by an Uffzr in a Luftwaffe Flak Battery