Late 15th century-1500. 3.5" x 6" curved and contoured to the shoulder with one edge pierced for attachment to mail. The underside with securing strap rivets. Surface rusted as expected. See Stone figure 52 for a full armor of this type. Rare example of the late Gothic period from the collection of Evan Perry, armorer at the Tower of London in the 1950s and bearing auction tag identifying it to that collection.