English Turkish kalmar birliği logosu Polish Herb ks. Eryka Pomorskiego (1382-1459). Pole sercowe lew z toporem-herb Norwegii; 3 błękitne lwy na złotym tle-h
cross of the Kalmar union flag, also introduced by Eric of Pomerania. Ref: Nils G. Bartholdy: "De tre kroner og korset - Unionssymbolik, ambition og rivalitet"