guardian.co.uk: "Every year on the Day of the Dead, Mexicans produce images, toys, cakes and sweets in the form of calaveras, or skulls. During their lifetimes, the great Mexican printmakers Manuel Manilla and JG Posada made hundreds of Caleveras showing skeletons working, drinking, dancing and fighting, the finest of which have been published as a collection of postcards by Redstone Press." See some of the book's picture here
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