Made by 'S.Lewis' in the 1930's.
 
Alongside D. Lewis, S. Lewis were a prolific manufacturer of flying clothing in the inter-war period. Post-war they became 'Lewis Leathers' a well renowned motorcycle clothing & boots supplier.
 
This pattern of helmet was arguably the most common private purchase style produced in the inter-war years. The helmet is made from a very dark brown leather which is lined with chamois. It comes complete with the gosport tubes. 
Size 7 1/4
Condition: in good used condition, a couple of dry patches but nothing a bit of polish wouldn't cover up.
Weight: 342 g.