Here’s a scan of Tommy’s identification card for the 1924 Paris Olympics:
Stationary of a record holder
Here’s a letterhead I found from Tommy Hall’s office during the period he was the Olympic Cycling Coach. Not sure what the International Press Agent part means but it looks like he spent his time training the Olympic squad at the Herne Hill velodrome.
Autumn Circuit
Here’s a flyer for the 1947 Autumn Circuit races organised by the British League of Racing Cyclists in Battersea Park: The events were started and prizes given by Tommy.