WW1 Iron Cross 1st Class replica.WW1 Iron Crosses had three grades:Iron Cross 2nd Class (Eisernes Kreuz 2. Klasse, or EKII),Iron Cross 1st Class (Eisernes Kreuz 1. Klasse, or EKI)and Grand Cross of the Iron Cross (Großkreuz des Eisernen Kreuzes, often simply Großkreuz)
WW1 Iron Cross 1st Class was awarded without regard to rank. One had to possess the 2nd Class already in order to receive the 1st Class (though in some cases both could be awarded simultaneously). It was worn on the left side of the recipient's uniform.