The centerpiece of The ORGANIZATION@1 's permanent collection is ORGANIZATION@2 's Nude on a MISC@1 , which was purchased by alumnus PERSON@1 at auction for forty-five million dollars and then donated to the university .

The main , permanent work kept in the center is ORGANIZATION@2 's Nude on a Black Armchair , a forty-five million dollar painting that PERSON@2 gave to ORGANIZATION@3 .
