Obverse
                                                                            Denomination and date under crown, legend around rim
                                                                                                               Lettering: JOANNES VI D G PORT BRAS ET ALG REX 40 1820
Reverse
                                                                            Sphere, shield
                                                                                                               Lettering: PECUNIA TOTUM CIRCUMIT ORBEM
                        Extended information
                        
                               Denomination                            
                               Currency                            
                                   Metal                                
                                                                            Copper                                                                     
                                   Krause catalog                                
                                    KM# 340
                                
                                   Weight                                
                                                                            7.2 g.                                                                    
                                    Diameter                                
                                                                            30
                                     mm.                                
                                    Alignment                                
                                    Medal ↑↑
                                
                                    Shape                                
                                    Round
                                
                                    Edge                                
                                                                            Plain