There is no solid historical evidence of a female pope, but this card may be based around the mythical Pope Joan.
The use of obviously Christian traditional images (such as the Pope, the Devil, the Grim Reaper and the Last Judgement) and indeed controversial images such as La Papesse have spawned controversies from the Renaissance to the present because of its portrayal of a female pope. There is no solid historical evidence of a female pope, but this card may be based around the mythical Pope Joan.