Coat of arms of Sigismund, Holy Roman Emperor.
Arms of Bohemia  quartered with Hungary 

Blazon: Quarterly, I and IV gules a lion rampant argent, queue fourchée crossed in saltire, armed, langued, and crowned Or (for Bohemia); II and III barry of eight, gules and argent (for Hungary).
This vector image includes elements that have been taken or adapted from this file:
See File history, below for details.