Flag of Transylvania in 1601, featuring the Báthory arms. Based on design captured at the Battle of Guruslău, as presented in von Aachen's allegory of the event. One of the several variants used in that battle (see plates by Cserna: A and B as well as contemporary engraving). The same design was also used in a swallow-tail variant (see reproduction in Magazin Istoric, July 2000, p. 38).
Own work
Dahn