That important one I missed in 2016!

Lot 1293. Tamara De Lempicka (1898-1980). Portrait de Madame G., signed ‘DE LEMPICKA’ (lower right), oil on canvas, 16 ¼ x 13 in. (41.3 x 33 cm.). Painted circa 1930. Estimate $200,000-300,000. Christies. 05/13/17. Sold $509,000