Left:
Christie's presented Mark Rothko's No. 15 (Two Greens and Red Stripe) to a group of Yale University alumni prior to it's 20th Century Evening Sale for $98,385,000 

Below:

Christie's presented Roy Lichtenstein's Anxious Girl to a group of Yale University alumni prior to it's 20th Century Evening Sale for $46,060,000 

Bottom:
Yale University alumni at a National Gallery Tour