That article also includes https://en.wikipedia.org/wiki/Cinta_Senese#/media/File:Ambrogio_Lorenzetti_-_La_citt%C3%A0_del_buon_governo.jpg https://en.wikipedia.

That article also includes https://en.wikipedia.org/wiki/Cinta_Senese#/media/File:Ambrogio_Lorenzetti_-_La_citt%C3%A0_del_buon_governo.jpg https://en.wikipedia.org/wiki/Cinta_Senese#/media/File:Ambro... which is an actual medieval picture with a very recognizable Cinta Senese pig in it. Which is a testimony that at least some medieval pigs looked exactly like that.