Darren Bader, Ah, no nostalgia hurts as much as nostalgia for things that never existed- Pessoa, 2013, on view at Franco Noero, Turin, through April 13

T. Kelly Mason, Drinks, 2013, Acetate and vinyl on 4100K fluorescent fixture, lamps, wiring, MDF, Plexiglas, aluminum 23.875 x 40.25 x 5.75 in. On view at Cherry and Martin, Los Angeles, through April 27

Georgie Nettell, 2013 (Installation view). Dimensions variable. On view at Reena Spaulings, NY, through April 14.

Claes Oldenberg, Pastry Case, I. 1961-62. Painted plaster sculptures on ceramic plates, metal platter, and cups in glass-and-metal case, 20 3/4 x 30 1/8 x 14 3/4". The Museum of Modern Art, New York. The Sidney and Harriet Janis Collection. © 2012 Claes Oldenburg. On view at MoMA, NY, through August 5