This competition open to established artists, talented newcomers and promising amateurs who are 18 years of age or older. The $50,000 award is the most generous annual art prize given in North America for painting and drawing. Artwork submitted for consideration must be a single two-dimensional painting or drawing no larger than 72" on any one side (including frame, if any). No entry fee.

Details:

http://www.huntingartprize.com/terms-conditions