The Impalement Device - a spike in the ground upon which the victim was forced to sit on. The victim's own weight drew the spike upward through the body, and the tip usually ended up at the sternum. It could take 3 days to die on one of these.
Persian or Ottoman century turban helmet, made of steel with inlaid silver, and it's original intact mail aventail. Turban helmets originate from the century with most surviving examples dating from the to century.