Slitherine

Looking for some proper flags I have got a few from the web just wondering is there any copies that would have survived in museums or the like?

Apart from the flags the Swedes took from primarily the Saxons after most of the Protestants switched sides in the peace of Prauge I don't know of any well documented flags. There are references to colours in the histories of some of the armies, notably the Saxon and Brandenburg (Prussian).