Adelsfanan i Sverige och Finland one of the oldest regiments of the world 1425-1809 wear greay uniform and tricorn
Are you sure? I have this picture of Adels Flag in 1783:
I don't speak very good Swedish, so I could be mistaken.
If not, there are some more interesting Swedish units from C18th that I haven't yet seen on this page in the following websites:
Detailed pictures, the Adelsfanan above is from here:
http://62.20.57.210/kra/bilder/roosuniformer/
Less detailed pictures, but with extensive background info on regiments, along with area of origin and regimental flags:
http://hem.bredband.net/b111807/Engl...vian-army1.htm