The friendly author of the webpage gave notice about the existence of his report. The text refers to the translation of Ross Caldwell in 2004 of Martiano da Tortona's text to the Michelino deck.
The content is a complex hypothesis, according which the central figure might be a representation of Giovanni Cossa, who brought the Michelino deck to Isabella de Lorraine. It has its interesting aspects ...
Giovanni Cossa heraldry with a human leg
St. Eligius was the saint of the goldsmiths ...
St. Eligius was involved in a horse story ...
.. the leg of the horse is important
The goldsmith picture above was associated with St. Eligius before.
A celebrated masterpiece of Northern Renaissance Art, this painting was signed and dated 1449 by Petrus Christus, the leading painter in Bruges (Flanders) after the death of Jan van Eyck.
1449 is the date, when Cossa transported the cards.
Biography of Petrus Christus:
Well, this looks interesting enough to think about it.
The representation has (for the moment) small errors in details, which we possibly can repair easily.
The author was invited to our Forum.