The unexpected tip

                                                 ...and if you have liked the task of the Iron Man,
                                                   you will enjoy when  you write your personal ideas
                                                   about this coin from the United States.


                                            Write about its matter (= the material it is made of),shape...


                                       
                                               E.G.  This is a coin from........ 
                                            and we use it for........... It has a.............shape, etc.
                                           And mention other things we can  use for
                                            the same objective as this coin.