Help to establish the authorship!

[sergejnowo]

the existence of the organization or the collection , Borgerloh'sche Stiftung der Kgl. Kunst-Akademie, never registered.
Google proof. There is the most complete collection of stamps in the world of art , Les marques de collections de dessins & d'estampes, collected Frits Lugt.
They collected stamps of various collections in the world of art. There are no print of this .
Weakly imagine collector who puts a stamp on the front side of the work , but still almost on the initials of the artist.
Perceive the story as a caricature , but to me it is not clear from what times and places have been collected attributes such as clothing soldier , his weapons and a silhouette of a warship in the background.
And so, in general , «Tout va très bien, Madame la Marquise»