I had only seen one of these before, a picture sent to me 3 years ago,
The archer is a Marauder unreleased model, the TAB states Marauder ,
Much like those 3 undocumented Marauder models we discussed in the Forum last year, which no one has yet authenticated, but 2 guys said they had seen on a flyer.
This archer looks like it shares some of the same moulding as the Marauder Citizen archer, but with some additional bits added all over.
I'll paint him shortly
All are now listed on CCM WIKI