Lavery stationery is available from the Pen Corner, Dublin, Guinness Gallery, Foxrock, and Swalk outlets. For more information telephone: 01-2930722, or visit www.lavery.ie ...

11. Harpo Marx Arguably the most loved letterhead on Letterheady, this is Harpo Duer Marx’s personal letterhead from 1930. Hilarious then, and still hilarious now.

Even in today’s digital world, notes sent under a formal letterhead can help get the right message across. Here’s how to make your own powerful design with just a few keystrokes.