The Coat of Arms of the Polish–Lithuanian Commonwealth was the symbol of the Polish–Lithuanian Commonwealth, representing the union of the Crown of the Polish Kingdom and Grand Duchy of Lithuania. Modern reconstruction Background The Coat of Arms of the Commonwealth combined the Coat of Arms of the Kingdom of Poland and the Grand Duchy of Lithuania, which are depicted as follows: During the Commonwealth, an inescutcheon contained the person or family arms of the reigning Monarch. Insurrections During the January uprising a similar coat of arms was proposed for the restored Commonwealth, with Archangel Michael, the coat of arms of Ruthenia added as the third element. However, it was never officially introduced. The coat of arms in various cities See also Polish heraldry Coat of arms of Poland Notes References Polish-Lithuanian Commonwealth Polish-Lithuanian Commonwealth Polish-Lithuanian Commonwealth Polish–Lithuanian Commonwealth