Obverse
                                                                            Portrait of the Queen Elizabeth II in the field of the coin.
                                                                                                               Lettering: ELIZABETH II AUSTRALIA 2015 IRB 1 DOLLAR
Reverse
                                                                            The Seahorse, playfully interacting with the letter S. Other interesting items starting with the letter S are cleverly hidden in the coin design to add detail and fun.
                                                                                                               Lettering: S
                        Extended information
                        
                               Denomination                            
                               Currency                            
                                   Metal                                
                                                                            Aluminum-Bronze (Partially Colored)                                                                    
                                   Ruler                                
                                   Weight                                
                                                                            9 g.                                                                    
                                    Diameter                                
                                                                            25
                                     mm.                                
                                    Thickness                                
                                    2.7 mm.                                
                                    Alignment                                
                                    Medal ↑↑
                                
                                    Shape                                
                                    Round
                                
                                    Edge                                
                                                                            segmented reeding











