10 Pfg airmail stamp Gotha Erfurt, along with horizontal se-tenant "photograph papers satrap" ++ 5 Pfg Germania on picture postcard "engineer Schlegel, Leader the Officer flyer training Gotha", tied by name signum "Schlegel" and machine cancel "Erford 25.7.12" to Marburg (name of the addressees black", in each case well perforated, minimal age traces, card on face two hinge traces, are cards the with the airmail transported become anyway already rare (about 1.000 pieces transported), might the combination with the on document extreme rarely se-tenant to be unique, an extraordinary exhibit for each airmail stamps collection, Michel approximate 2.100.-