The event will be held on Saturday, February 23, from 6:30-8:30 p.m., at the gallery's 534 W. 21st Street space.
Turner Prize-winning artist and board of trustees member Jeremy Deller is accused of benefiting from his association with the gallery.
The 2009 increase comes after pleas from the Smithsonian for funding to tackle its backlog of repairs.
Rich Offerings, Some Doubts, at New York May Sales
Awards Season
Impressionist/Modern and Contemporary Art