Obverse
                                                                            National arms
                                                                                                               Lettering: REPUBLICA MEXICANA
UN PESO
Reverse
                                                                            Liberty cap and rays within sprigs
                                                                                                               Lettering: REFORMA.LIBERTAD.JUSTICIA Y LEY
1915
GRO.
ORO: 0,300
                        Extended information
                        
                               Denomination                            
                               Currency                            
                                   Metal                                
                                   Krause catalog                                
                                    KM# 642
                                
                                   Weight                                
                                                                            12.9 g.                                                                    
                                    Diameter                                
                                                                            30.5 - 31
                                     mm.                                
                                    Shape                                
                                    Round