The image was obtained a page that contains no reference to a copyright for this image, and reserving rights on others on the page. The resolution is very low, but it seems reasonable to assume it is one of the images referred to in The Dictionary of National Biography, 1st ed., which says, "There is a lithographic portrait of Quekett in Maguire's Ipswich series of 1849, and a coloured one by W. Lens Aldous."

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