Monday's image: July 22, 2019

Francesco di Giorgio Martini, Saint Bernardino Preaching from a Pulpit, Tempera on parchment, 21 x 14.3 centimeters, 1470-75, The Metropolitan Museum of Art, New York

Monday's image: July 17, 2017

Carol Hepper, Three Corners, Wood, steel, hardware, 42 x 42 x 12 inches, 1989, Museum of Contemporary Art, Chicago