Prussian military mail in the Franco-Prussian War, seven stampless envelopes belonging to the same correspondence, including the "K. Pr. Feldpost/IV Armee Corps" c.d.s., as well as the "S.B./F.B. 3ts M.I.R. No. 66" and "K.Pr.Feld=Post=/Relais No29." markings, generally very fine. (Image)

Est. $100-150