This is the standard maul in Dragon Age: Origins.

Acquisition

Can be found as a random treasure throughout the game.

Dragon Age: Origins

• Sold by Owen's replenished stock in the Redcliffe Village.
  • Sold by the Blacksmith.
• Sold by the merchant located outside of the chantry in Lothering.
• Sold by the Quartermaster at Ostagar, provided that the Warden asks for his "other goods".
• Sold by Bodahn Feddic in Redcliffe Castle.
• Sold by Mikhael Dryden in the Soldier's Peak.
• Sold by the Quartermaster in the Circle Tower.

Dragon Age: Origins - Awakening

• Sold by Glassric the Weaponsmith in the City of Amaranthine.