Unknown Netherlandish, ‘Courtiers in a Rose Garden: A Lady and Two Gentlemen’, ca. 1440–1450, The Metropolitan Museum of Art

South Netherlandish; overall: 9 ft. 5 3/4 in. x 10 ft. 8 in.
http://www.metmuseum.org/art/collection/search/463188

Image rights: The Metropolitan Museum of Art (Rogers Fund, 1909), licensed under CC0 1.0 Universal

About Unknown Netherlandish