LMS Presentation Shield THE SIR THOMAS WILLIAMS CHALLENGE SHIELD with a silver plate at the bottom 1952 THIS TROPHY BECAME THE CHALLENGE SHIELD FOR THE LONDON MIDLAND REGION LONDON DISTRICT AMBULANCE COMPETITION (DIVISION 1). Previous winners are shown on hallmarked silver discs which include St Pancras, Camden, Willesden, BRB Headquarters, Bedford and the last winner in 1993 Melton House. Sir Thomas Williams was a director of the London & North Western Railway. Measures 36in x 29in and is in very good condition.