DS, in Spanish, signed 'Fidel Castro and Che,' one page, 8.5 x 14, Ministerio de Industrias letterhead, October 20, 1962. Diploma presented to Jose L. Diaz on behalf of the Ministerio de Industrias, signed by both Castro and Guevara at the bottom. In very good condition, with toning from previous display and scattered spotting to lower portion of document, lightly affecting signatures. COA John Reznikoff/University Archives and RRAuction COA.