Hi, overall very nice for 15mm. Good table top standard. Is the colour scheme based on Ospreys and the likes or did you refer to historical soruces indiacting available dyes etc.? The blue and yellow is well highlighted, especially for 15mm, as most people only go for a wash or base colours with blacklining. The horses seem like they were drybrushed? Looks ok, but more carfeul highlighting would improve them.
The bases are ok, but could be improved by some shrubs, bigger stones, areas with only show mud or soil. As it is they look good, but a bit boring.
However, a overall a very nice job.