An iconic piece turns 50. When the 40/4 chair first launched in 1964, it set standards in the industry that are still adhered to today. It has an elegance, precision and purpose that have seldom been matched, and remains hugely popular to this very day. With over 8 million sold, it would be fair to say that they can be found in every corner of the world. So join us in the search, and help us discover the 40/4. Whenever you see one, just take a photo, upload it, and you’ll help build a detailed map of every 40/4 out there, a map that covers the entire globe, pinpointing the exact locations of 40/4s.