Shield of Balduran

Shield of Balduran is an enchanted medium shield +3 which weighs 4 lbs and has an armor class of 4. This item appears in Baldur's Gate II: Shadows of Amn and Baldur's Gate II: Enhanced Edition. It can be bought from the Adventurer's Mart from the lady in the centre of the shop.

In-game description
"Shield of Balduran +3 This shield was worn by the hero Balduran. It is part of a set of weapons and armor that was stolen from the museum in the city of Baldur's Gate."