Some late 15th century decks similar to the Sola Busca tarot and also the Boiardo deck had four fits, a fool, and 21 trumps, but none of the trumps match tarot ones. They seem to have been built within the design of tarot decks, but have been voluntary departures from https://bizum19753.popup-blog.com/30493661/what-does-tarotista-bizum-mean