This Russian illustrator's work may be familiar to you having been featured on cards published in the late 80s. As Russia became more international and Russian reenactors started travelling to the West these cards were used to get spending money off people like us and gratefully received they were too. A nice archaic style with uncluttered backgrounds they carry the information well. More here
http://www.greenforest.ru/gf.html?category=cat_encyclopedia§ion=history_page - 4 links at the top will take you to many more examples.