: While never shown on screen, it likely referenced "Viking Gold" or "Family Tradition" to convince Rafael to return the stolen gold. Rafael’s response to Lisbon was simply, "It's a family matter".
You're likely thinking of the that is a signature of The Professor in the series Money Heist ( La Casa de Papel ). [S2E3] Lisbon
Are you interested in a on how to fold the Professor's specific origami bird? : While never shown on screen, it likely