Photograph, 'Photographie exécutée avec la matiere à pourpre du Murex erinaceus' [Photograph executed with the purple material of Murex erinaceus] by Henri de Lacaze-Duthiers A photograph of a Dutch Golden Age-style painting, showing a band playing with a violin and bagpipes, produced using purple dye created from Murex erinaceus executed on silk fabric. Subject: Photography 1 July 1859