Help identify the author's picture

[Fed]

The importance of determining the authorship of this work is dictated by a rare flair and originality.
    Judging by the signature and the plot, where the young man whispers to the girl about something secret, the work may belong to the Han Misop - urologist from Baltimore.
    But an ancient frame gives us a presentiment of discovery, she could set up earlier master whose name is just waiting to break into the anal art.