I’m a heraldist. I can say only, that the badges, colors, positions and their descriptions are: FALSE, FALSE, FALSE.
Who did this? It is so amateurish. Heraldry is a science with determined forms and colors. The skill here is to make it an art without leaving rules.
AOE IV tries to be historic in its campaigns. Why then this horrible badges and banners?
If you like a reasonable artful way to make it better, please contact me or ask any european heraldist.