Lithograph on cream wove paper, 1968. 342x254 mm; 13 1/2x10 inches, full margins. First edition (of 2). Signed, titled, dated and numbered 38/50 in pencil lower margin. Printed and published by the artist at the Taller de Gráfica Popular, Mexico City.
Another impression is in the collection of the LaSalle University Art Museum, Philadelphia, PA.