Rondache
The rondache or roundel was a shield carried by late Medieval and Renaissance foot soldiers (swordsman). It was made of boards of light wood, sinews or ropes, covered with leather, plates of metal, or stuck full of nails in concentric circles or other figures. Widespread among the infantrymen of northern Italy in the 15th century. See also
Ghisi Shield, another elaborade parade shield. References

Medieval shields