5 Pfennig to 3 Reichsmark airmail issue of 1934 with horizontal rubber grill, complete set of 11 values, mint never hinged, flawless condition, nine values certified by Schlegel BPP and for the complete set two photo certificates from Andreas Schlegel BPP (2009 and 2024) "The quality is impeccable.", Michel 5. 200.- - very rare set issue!