Gothic altarpiece depicting top, Calvary, bottom, St Sebastia (Sebastian) , by Joan Mates of Villafranca de Penedes, circa 1417-1425, from the refrectory of Pia Almoina, Barcelona, Temperal and gold leaf on wood.  National Museum of Catalan Art, Barcelona, Spain, inv no: MNAC  32340. Joan Mates was a Spanish painter of the International Gothic style.