Debt + Debt (Painting #20 of 28) George Mullen, Debt + Debt, 2016, barbwire and oil on canvas, 30 x 48 inches. Copyright © 2016 George Mullen. All rights reserved. Debt + Debt (Painting #20 of 28) George Mullen, Debt + Debt, 2016, barbwire and oil on canvas, 30 x 48 inches. Copyright © 2016 George Mullen. All rights reserved.