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: April 18, 2016

Al Loving, Brownie, Sunny, Dave, and Al, Stained, torn, cut, and sewn canvas, and wooden rod, 174 × 132 3/4 inches, 1972 (later revised), National Gallery of Art, Washington, D.C.