Signir-Apparat

J. Pospisil Stefanau, bei Olmütz, Modell 1909. Foldable wooden box with cloth exterior printed in Jugendstil lettering, lockable with small clamp. Content: Negative and Positive Alfabete zum Signir-Apparat, built-in "Schlüssel" and brush with red and black sides. Interior box some dam.