NL27, 7½h with near colorless overprint, bottom margin single, VF-XF, OG NH, signed Georg Buhler, Scott value for hinged, Michel 13, for NH 1600€ (Image)

Est. 150

1918, Registered cover from Kigoma, to Birmingham, England, franked with NB1-NB6, tied by 31 Dec 1918 cancels, BS London, 4 Mar 19 (Image)

Est. 40