The image shows a portrait of a man from the chest up, positioned to face slightly towards his right, making direct eye contact with the viewer. His facial features are detailed, with a prominent brow, aquiline nose, and slightly parted lips. He has wavy, shoulder-length hair with bangs framing his face, and his expression is neutral. The man is dressed in a dark garment with a high collar, and draped with a cloak. No visible jewelry is present. The background is an intricately drawn grid within an oval frame, and there is a circular emblem to the left side of the man. Below the oval portrait is a section bearing text, "JOANNES SELDENUS," along with additional inscriptions in Latin.