Coat of arms of the Polish–Lithuanian Commonwealth

Coat of arms of the Polish-Lithuanian Commonwealth
ArmigerKing of Poland/Grand Duke of Lithuania
AdoptedFollowing 1386
ShieldQuarterly 1st and 4th Gules, an eagle argent, crowned or; 2nd and 3rd, Gules, Pogonia.

The coat of arms of the Polish–Lithuanian Commonwealth represented the union of the Crown of the Polish Kingdom and Grand Duchy of Lithuania.