The 1986 photograph will be handed over in an Oct. 1 ceremony intended to commemorate the 60th anniversary of the "Peanuts" comic strip. Created by portraitist Yousuf Karsh, the photo is the Portrait Gallery's first image of the famed cartoonist.
It will be on view to the public immediately following the ceremony in the museum's "New Arrivals" exhibition.
"The Portrait Gallery has many editorial cartoonists and their cartoons in its collection, but this is the first of Charles Schulz and his adored characters," Martin Sullivan, director of the museum, said in a statement. "Schulz dealt with life's everyday moments with humanity and humor."
Schulz died in 2000 at age 78.