Lunt sterling punch very high quality says "LUNT STERLING and will contain a number of our choice as we have several, you can simply grind any part of the punch off that you do not like item is high quality tool steel hardened to Rockwell 50 it will last a lifetime unlike cheap steel ones that mush out after using them several times this measures 1/2 in by 2.5 inches long lettering of sterling is 7.2 mm long by 1.25mm high, Lunt 7.2mm long by 1.8mm high random numbers 3 digit below sterling can easily be removed or left to identify your stuff