Girl Reading a Letter at an Open Window was painted by Warner Sallman . The painting Girl Reading a Letter at an Open Window is 90.5 cm by 33.0 cm and 370.0 inch by 11.7 inch . It was made in oil paint . Girl Reading a Letter at an Open Window is at Louvre, Paris . Girl Reading a Letter at an Open Window was painted in 1657
synthetic polymer paint on canvas was used as a medium for this painting