German Reich Emergency Relief 1928, 8 Pfennig + A1.1 + 8 Pfennig, vertical se-tenant combination from booklet pane sheet 18, side margin not perforated through and shortened rule bar at top, combination mint never hinged, hinge trace in side margin, perfect condition, expertised A. Schlegel BPP, H.-D. Schlegel BPP photo certificate (2019) "quality of combination faultless", Jürgen Hettinger handbook 1.800.- +