Made by Woodsetton Designworks Ltd, UK, The Stanhope image is of the Mad Hatter’s Tea Party. A Stanhope lens is a very small lens which reveals an image when pointed towards a bright light and held very close to your eye. The pewter hat provides an amusing and convenient way of holding the lens. There is a great deal of information on the web for people who want to know more about Stanhope lenses.