Two wings of an altarpiece: A crowd of onlookers before a fatastical city; An army taking leave of a castle, Hieronymus Bosch, circa 1520

Date: circa 1520. Dimensions: height: 172.2 cm (67.7 in); width: 66.5 cm (26.1 in) (each). Medium: oil on oak wood. Collection: Unknown. Follower of Jheronimus Bosch 053