Frida Kahlo, Autorretrato en la frontera entre México y Estados Unidos (Self-Portrait on the Border Line between Mexico and the United States), 1932, Oil on metal, 12 1/2 inches x 13 3/4 inches (31.8 × 34.9 cm). Collection of María and Manuel Reyero, New York. Banco de México Diego Rivera Frida Kahlo Museums Trust, Mexico, D.F./VEGAP, Madrid. Courtesy of ? **