The Kent Bicentennial Portfolio, titled “Spirit of Independence,” includes 12 prints made by 12 American artists. The portfolio was commissioned by the Lorillard Tobacco Company in celebration of the United States’ Bicentennial in 1976. The twelve artists represent some of the leading contemporary artists at that time: Will Barnet, Colleen Browning, Audrey Flack, Red Grooms, Joseph Hirsch, Robert Indiana, Alex Katz, Jacob Lawrence, Marisol, Larry Rivers, Edward Ruscha, and Fritz…