Realist painter (1869-1974), known for his large murals in fresco that established the Mexican Mural Renaissance. Postcard portfolio entitled “La Marcha de la Humanidad en America Latina,” 4 x 6, containing nine postcards with images of Siqueiros’s works, signed on the front cover of the portfolio by Siqueiros. In fine condition, with some light wear and creases to covers. RR Auction COA.