Obverse
                                                                            Crowned denomination
                                                                                                               Lettering: JOANNES VI D G PORT BRAS ET ALG REX
37½
1818
M
Reverse
                                                                            Arms on globe
                                                                                                               Lettering: PECUNIA TOTUM CIRCUMIT ORBEM
                        Extended information
                        
                               Denomination                            
                               Currency                            
                                   Metal                                
                                                                            Copper                                                                     
                                   Krause catalog                                
                                    KM# 317.1
                                
                                   Ruler                                
                                   Weight                                
                                                                            5.3 g.                                                                    
                                    Diameter                                
                                                                            30
                                     mm.                                
                                    Thickness                                
                                    1.2 mm.                                
                                    Alignment                                
                                    Medal ↑↑
                                
                                    Shape                                
                                    Round
                                
                                    Edge                                
                                                                            Plain