Specimen letter &Dear Mr Hamilton Thanks for your recent letter, and your interest in our great Wall Computers More than 100,000 people around the world own a Great Wall System Were betting that you'll join them once you discover what a Great Wall personal computer can doSpecimen letter Dear Mr. Hamilton, Thanks for your recent letter, and your interest in our Great Wall Computers. More than 100,000 people around the world own a Great Wall System. We’re betting that you’ll join them once you discover what a Great Wall personal computer can do