William Edward Kilburn (1818-1891) PORTRAIT OF A BRITISH NAVAL OFFICER c.1840s. Monochromatic Daguerreotype quarter plate portrait, a gentleman seated, cradling his sword and with British Naval belt buckle clearly visible, the plate in a plain brass mount with arched top, and housed in a red morroco side hinged case with Kilburns 234 Regent's Street Address on the lid