Many of Michael's rarity estimates were questioned in the 1980's and 90's. Amazingly, time has shown that many of the questioned rarity estimates have proved most accurate. Well done Michael !! This is proof that your work was revolutionary and timeless. Your books and information were compiled before the internet, so with all of the many millions of bronze coins struck it was inevitable that you did not come across 100% of the varieties now known. Your number one fan, I think that the reader that knocked your work would definitely be rated at R20 !!