Blazon
In Polish blazon sounds like:
W polu błękitnym podkowa srebrna ocelami w dół zwrócona. W środku niej krzyż kawalerski złoty. Na niej umieszczony krzyż kawalerski złoty bez prawego ramienia. W klejnocie nad hełmem w koronie trzy pióra strusie.
In English:
Azure, within a silver horseshoe ensiegned with a cross pattée sans its right arm, a cross patee both crosses Or. Crest: three ostrich plumes Argent.
In other words, on a blue field there is a silver horseshoe (pointed down) with a gold knight's cross inside it, and another knight's cross missing its right arm on top of it.
Read more about this topic: Krzywda Coat Of Arms