1780. Pen, Ferrogalic ink on verjured paper, 214 x 153 mm. Un exposed
Letter from Francisco de Goya to Martín Zapater (1746-1803), his childhood friend in Zaragoza, in which the painter expresses enthusiasm for the confirmation of the commission of painting of the dome of the Pillar, hopes to meet Zapater in Zaragoza soon and desire to start the work shortly to take advantage of the ideal climatic conditions.