German Occupation of Belgium, 1916-18, 3c-6fr25 Occupation Issue. Complete set (missing only N10, N15, N18) tied on 1918 registered cover to Germany with manuscript Feldpost endorsement by Brussels postmarks with registry label alongside, vert. file fold not affecting stamps, F.-V.F. Scott No. N11//N25  Estimate $150 - 200. $0 (Image)