Interesting article - thanks for sharing it with us, I did not realize that the 'hammered' strike examples were all attributed to the first day of minting.
My example is a fully lustrous gem but alas not the one shown to be truly a great strike:

My example is a fully lustrous gem but alas not the one shown to be truly a great strike:

Take a look at my other hobby ... http://www.jk-dk.art
Too many hobbies .... too much work .... not enough time.
Too many hobbies .... too much work .... not enough time.