Obverse
                                                                            4th portrait of Queen Elizabeth II
                                                                                                               Lettering: ELIZABETH II
AUSTRALIA 2012
1 DOLLAR
Reverse
                                                                            2nd portrait of Queen Elizabeth II f
                                                                                                               Lettering: AUSTRALIAN DECIMAL CURRENCY EFFIGIES
MACHIN 1966
                        Extended information
                        
                                Year                            
                               Denomination                            
                               Currency                            
                                   Metal                                
                                   Ruler                                
                                   Weight                                
                                                                            11.7 g.                                                                    
                                    Diameter                                
                                                                            25
                                     mm.                                
                                    Series                                
                                    Australian Decimal Effigies
                                
                                    Subject                                
                                    Arnold Machin Effigy
                                
                                    Alignment                                
                                    Medal ↑↑
                                
                                    Shape                                
                                    Round
                                
                                    Edge                                
                                                                            segmented reeding











