Donald Campbell / Bluebird Interest. An enamelled plaque 'The Bluebird' stamped 'Sterling Silver', given by by Donald Campbell to his secretary Kathleen Marie Barry, along with a pair of gilt and silvered metal St Christopher cufflinks and a photograph of them at his desk. plaque 4.5 x 3.5cm. CONDITION: Some nicks and tiny chips to the enamel on the plaque. Scratches to the metal in general, mainly visible to the cornets. 'Samoradok' style blemish en verso. Some giling loss to the cufflinks along with a few scratches, consistant with some wear. Photograph has a small tear and numerous creases.