> The castle rosette would then be East (as Imola is not far from the east > coast), the faint Filaretian tower approaching the Northern rosette could > be Milan (with the road going off from there into the top of the page could > indicate Venice), the Southern rosette would be Rome (or perhaps Sicily?), > and the Western rosette (with the so-called "clock") would be Tuscany.
Wouldn't the location of the two SUN images be more likely to indicate East-West?