Details: This poster is of St. Thomas Aquinas, from a panel of the Marie Coronations painting, by Gentile da Fabriano. It shows Saint Thomas Aquinas sitting and reading a book.
Gentile da Fabriano (c. 1370 ¿ c. 1427) was an Italian painter known for his participation in the International Gothic style. Gentile worked in various places in central Italy, mostly in Tuscany. His best known works are his Adoration of the Magi (1423) and Flight into Egypt.
This poster is usually printed with a thin white edge border.