Curbside Outtake: Which Enzo?

The NA market never received the special-order-only Fiat Abarth 695 Tributo Ferrari, but that hasn’t stopped someone from having a little fun with a personalized license plate. But are they honoring l’Ingegnere, or Enzo Osella, to whom Abarth’s racing team went in 1971 when the company was sold to Fiat?