Obverse
                                                                            4th portrait of Queen Elizabeth II facing right.
                                                                                                               Lettering: ELIZABETH II
AUSTRALIA 2019
IRB
1 DOLLAR
Reverse
                                                                                                               Lettering: THE GREAT AIR RACE 1919
ENGLAND TO AUSTRALIA
ALLIANCE P.2
LT. ROGER M DOUGLAS LT. J S LESLIE ROSS
                        Extended information
                        
                                Year                            
                               Denomination                            
                               Currency                            
                                   Metal                                
                                                                            Aluminum-Bronze                                                                     
                                   Ruler                                
                                   Weight                                
                                                                            9 g.                                                                    
                                    Diameter                                
                                                                            25
                                     mm.                                
                                    Thickness                                
                                    2.5 mm.                                
                                    Alignment                                
                                    Medal ↑↑
                                
                                    Shape                                
                                    Round
                                
                                    Edge                                
                                                                            segmented reeding











