Value
                                                                                            $4 - $6
                                                                                    
Obverse
                                                                            Bust of Nicolaus Copernicus 3/4 left
                                                                                                               Lettering: NIKOŁAI KOPERNIK 2004 RZECZPOSPOLITA POLSKA
Reverse
                                                                            Dove, value in wreath of hands
                                                                                                               Lettering: TRIAL ESSEI PRUEBA MUSTER 50
                        Extended information
                        
                                Year                            
                               Denomination                            
                               Currency                            
                                   Metal                                
                                                                            Brass                                                                     
                                   Krause catalog                                
                                    X# Pn6
                                
                                    Diameter                                
                                                                            24.3
                                     mm.                                
                                    Shape                                
                                    Round
                                
                                    Edge                                
                                                                            Plain