Marcoux, Vanni [Jean-Émile Diogène Marcoux]. (1877 - 1962) . Signed Photograph as Don Quichotte. Signed photograph of the important French bass whose repertoire included nearly 240 roles and who was widely regarded as one of the great singing-actors of the 20th century. 9 x 14 cm card with a mounted halftone photograph of Marcoux in the title role of Massenet's 1910 opera, signed and dated Paris, February 1937, adding the date of the earlier photograph, lower right.