Impressive cover commemorating the centenary of the opening of the Panama Canal. Superbly illustrated with Panama Canal Map and quote by W.H.Taft. Taft served as Secretary of War under Theodore Roosevelt and supervised the building of the Canal; he later became 27th President of the USA. The cover was a restricted issue of only 100. It bears a USA ship stamp tied to the cover with small purple cachet inscribed Zona del Canal de Panama also British stamp used in combination with Royal Mail ship and bi-plane Southampton postmark 15/8/14.