Flooded with cool celadon light, the modernist sanctuary interior of the Cristo Rey de la Paz monument church on Cerro del Cubilete opens before the viewer in this rare interior chrome postcard — soaring concrete pilasters frame a central altar where a luminous image of the Virgin of Guadalupe glows above white marble steps adorned with red flowers, the spare mid-century ecclesiastical architecture a striking contrast to Mexico's ornate colonial church tradition. Published under the "Cristacolor" brand by Lito Juventud S.A. of Mexico City, this card includes unusually detailed text on the reverse noting the statue's dimensions (20 meters, 200 tons) and distances from León (51 km), Guanajuato (30 km), and Silao (19 km), as well as the notation "Monumento en construcción" — suggesting this card was issued while the monument was still being completed or expanded, making it a particularly early and historically specific document of the site's development.