Central Africa 836-840

Central Africa 836-840, MNH, $9.75. Michel . German Railways 1986. Inventors & locomotives: Alfred de Glehn, Prussian Railways DH2; Rudolf Diesel, S3/6; 1829 Rheinold; Carl Golsdorf, Trans-Europe Express train Type 103; Wilhelm Scmidt, Beyer Garratt locomotive; Mounsieur Du Bouguet, series 3500 compound locomotive.