German Two-Hand Sword, c. 1530, blade length 106cm., overall length 138.5cm. Broad double-edged blade, with a series of narrow fullers both on each side and over the ricasso. Iron hilt of Landsknecht type. Tumblr
One example of a mace capable of penetrating armour is the flanged mace. What makes a flanged mace different from other maces is the flanges, protruding edges of metal that allow it to dent or penetrate even the thickest armour.