Handcoloured, head and shoulders portrait of a man.

Portrait by W G Helsby of Valparaiso, Chile. W.G.HELSBY is stamped in to cover above coat of arms with RETRATISTA VALPARAISO below

Half length portrait of a young woman. Lightly hand tinted

Union case. Mat stamped ANSON 589 BROADWAY. Spring-loaded catch. Mat decoration is dotted line. Same sitter as 20896

Ada the daughter of the infamous poet Lord Byron and the admired intellectual Annabella Milbanke. She studied science and mathematics at a time when women rarely had access to such subjects. She wrote about Babbage's calculating machines, seeing their potential. She is now celebrated as the authoress of the world's first computer programme.