A letter/receipt dated 17 October 1935 from John Brown & Company, Limited signed by J.W. Beck, Clydebank Secretary, addressed to Cunard White Star Limited acknowledging receipt of the sum of (27,000, being a 'progress payment' towards the cost of building the liner S.S. 'Queen Mary'; and another dated 8 February 1939 from them to Cunard acknowledging payment of (25,000 towards the building costs of S.S. 'Queen Elizabeth' (2)