Wakizashi +1

Wakizashi +1 is an enchanted weapon, it has +1 to damage and thaco and the weight of the weapon and the speed factor have been lowered from 3 to 2 when compared to a normal wakizashi. This item appears in Baldur's Gate II: Shadows of Amn and Baldur's Gate: Enhanced Edition. It's not known where this item can be gained.

In-game description
"Wakizashi +1 The wakizashi, or companion sword, is extremely important to the samurai. It is worn at all times, even indoors, and is near the samurai when he sleeps at night. Wu Jen masters have concealed within this wakishashi great power, unleashed only when the wielder is in the thick of battle. How or why this wakizashi made it to Faerun is unknown, but if the samurai who owned it still lives, he will certainly be looking for it."