During the early developmental years there is a wide range in what a typical pencil grasp should look like. The picture examples used here are of preschool children at work. Each student was between three and a half and four and a half years old when I those pictures were taken (all on the same day). Even within a group of same aged children, there is still a very wide range of abilities within pencil grasp development. Visit the website of the Stay Home Educator, by Ms. Sarah Punkoney,  where she goes into more detail about Pencil Grasp Development: Stay At Home Educator