My feeling is the fellow in green is an army officer and the chaps in blue a kind of railway militia guarding the tracks and tunnels etc.What do you think...
p.s I am tempted at raising a unit if I can glean enough info
Being an account of my foray into the world of wargaming with 54mm figures under the guidance of "Funnylittlewars" by Paul Wright. With more than a nod to H G Wells who started us all off...