I HAVE A SILVER COIN DATED 1906 , THEIR IS NO OTHER WRITING ON THE COIN ONLY THE DATE. ON ONE SIDE IS ST, GEORGE SLAYING THE DRAGON AND ON THE OTHER SIDE IS ST,CHRISTOPHER CARRYING A CHILD WITH A GLOW AROUND THE CHILDS HEAD . PLEASE DOES ANYONE KNOW WHAT COIN IT IS IT IS OF SIMILAR SIZE TO A NEW BRITISH 5p COIN