New 52: Days Of Future Past

Not: both Wally West and Diana Troy do not exist (that we know) in the DC Universe after the New 52 reboot. Artist John Trumbull wrote (quoted here) about selling this piece to Dan DiDio:

Back home from the Asbury Park Comic Con. Lots of fun bits to the day, but the definite highlight has to be this: Dan Didio and his wife came back around to my table and bought a copy of my New 52 piece. It will apparently be displayed at a place of honor somewhere in the Didio household.