WW II, 1940-1945, (approximate. ), estate correspondence from approximate 400 fieldpost letters / cards from various units, in the Gr. Box, most covers with original content, by all appearances all transported to Gummersbach / Rhld., were seen different disguise cancellation, put box cancel, Beistempel "German offical postal service Bohemia & Moravia", airmail army postal service, etc., ample East Prussia, treasure trove