5 Pfg. with fieldpost cancel "K. D. Army postal service expedition XIX. Replacement division 25.3. (15) " for the delivery fee on otherwise post paid army postal service insured letter to Hanover Wülfel with arrival postmark, verso varnish seals and box cancel of 2 lines "K. D. Feldpostexpedtion 19. replacement Divsion", cover once folded and margin traces, in fact scarce variety!