It is located in U.S. Capitol, Washington, D.C., U.S. . This was painted in 1532 . The dimensions are 121.3 cm by 48.7 cm and 115.0 inch by 103.5 inch . Frederic Leighton made Equestrian Portrait of Charles I painting . oil paint was the medium for this
Frederic Leighton's painting was 115.0 cm by 103.5 cm in size