7264903 Two men playing chess, 1283 (illumination) by Spanish School, (13th century); Biblioteca Monasterio del Escorial, Madrid, Spain; (add.info.: Two men playing chess. After a page in the Libro de los juegos de ajedrez, dados y tablas/ Book of chess, dice and tables. The book, containing 97 pages of parchment and many colour illustrations, was commissioned by Alfonso X of Castile and was completed in 1283. It is part of Spain\'s national patrimony and is kept in the Royal Library at the Escorial Monastery.); Photo by Ken Welsh. All rights reserved 2022.