Verb

To sell or obtain commitments to buy in advance of a formal offer to sell.

* {{quote-news, year=2007, date=February 4, author=Jori Finkel, title=You’ve Seen the E-Mail, Now Buy the Art, work=New York Times citation

, passage=The Chicago dealer Kavi Gupta has presold — in large part through JPEGs — his current exhibition of paintings by Claire Sherman, a 2005 graduate of the School of the Art Institute of Chicago.}}