One of the most famous Nortons ever, 'The Old Miracle'; again a brilliantly clear postcard contributed by Martin from the USA. As Martin remarked, little can be said about this bike that has not been said already. It's a 1912 3 1/2 HP model with a 500cc side valve engine and direct belt drive that secured some 112 speed records before the first World War with a top speed of over 80mph. Note the incorrect 'Curly N' logo on the tank.
Below a pictures of a similar 3 1/2 HP machine.