Even though I had heard his name for years, I never gave Hershell much thought until I was searching for one of his books, Worlds Greatest Direct Mail Sales Letters Of All Time. This book is not to be confused with a similar book by Richard Hodgson titled The Worlds Greatest Direct Mail Sales Letters Of All Time. An interesting fact I learned about Hershell is that within the Collectors Plate industry he is known as the King of Direct Mail. You may have seen collectors plates advertised in the Sunday newspaper and other widely-circulated publications. I used to wonder why so many people invest...