Printing block for Calavera of the Masses, no. 2
José Guadalupe Posada · 1910

Zinc alloy plate etched with nitric acid and engraved with burin nailed to wood block (photo-relief etching)
José Guadalupe Posada · 1910

Zinc alloy plate etched with nitric acid and engraved with burin nailed to wood block (photo-relief etching)