German WWII Feldpost Envelope & Letter Lot, Same Person, Luftwaffe HQ Trondheim Norway

Original era. Lot of 5 German WWII Feldpost envelopes and letters, each with an eagle stamp cancellation, all addressed to the same person and same address, and mailed by a Luftwaffe officer stationed in Trondheim Norway. The letters are all handwritten, the envelopes are typed. All were mailed in 1941.