[3] José Antonio Martínez Soler was the founder of the magazine who had worked as the editor-in-chief of Cambio 16.
[3][4] The reason for his kidnapping was his article on civil guards which was published in Doblón on 10 February 1976.
[3] Although it featured economy-related articles and news, Ángel Arrese argues that it was not a genuine business publication, but employed these writings to camouflage its political stance to avoid bans.
[7] Some of the contributors of the weekly included Primo González, José García Abad, Fernando González Urbaneja, Mª Antonia Iglesias, Manuel Leguineche, Karmentxu Marín, José Luis Martín Prieto, Nativel Preciado, Vicente Verdú and caricaturist Peridis.
[1] The magazine ceased publication in September 1976 when the publisher, Publicaciones Controladas, went bankruptcy.