Hey! Thanks. This was a rough, I could make it better, providing I can see a better picture of the case.
@Erwin: I made some research on my side. There are actually two Golden Hind reproductions in London. One has this at the aft:

About the horse caparison, I mad several other sketches for this one and I can also try the other knight from this set. The quartered coat of arms might look nice on a horse...


Best,
Arnaud