Austria Red Mercury Newspaper Stamp Original Drawing

Good day all, I have a Beautiful original Ludwig Hesshaimer drawing of the famous Austria newspaper essay 1923. accompanied by a PF certificate. and two etchings of his work, one being of the original drawing. a true philatelic artifact, and a part of history. from what I know all of the few surviving original drawing done are all in museum, none are of any stamps, and none have a certificate. this item was discovered in the back of a wooden box in 2020. and sent in for certification in 2024. I have included : A THEMATIC ONE FRAME EXHIBIT SYNOPSIS. BIOGRAPHY
Summary: As written by Wolfgang Maassen*, President of the Association Internationale des Journalistes Philatéliques (AIJP): any and all information or insight is welcomed for feedback. thank you.

You posted this in the wrong forum. This forum is "US Classic Stamps

* * * Moved by Moderator to more appropriate Forum * * *