This one cons stamp 1 Pia in rare CE breadth with an incomplete 13th perforation hole on cover. on 20 Pfg vivid violet ultramarine in the horizontal pair - of "CONSTANTINOPEL 1 GERMAN POST 1/7 84" is on the right (2010) seldom the envelope to Vienna by opening a little abbreviated, otherwise perfect, certificate F. Steuer as well as R. F. Steuer BPP!