Sword of subtlety
(Dungeon Master's Guide v.3.5, page 228)
Price (Item Level): 22,310 gp (15th)
Body Slot: — (held)
Caster Level: 7th
Aura: Moderate; (DC 18) illusion
Activation: —
Weight: 2 lb.
A +1 short sword with a thin, dull gray blade, this weapon provides a +4 bonus on its wielder’s attack and damage rolls when he is making a sneak attack with it.
Prerequisites: Craft Magic Arms and Armor, blur.
Cost to Create: 11,000 gp (plus 310 gp for base item), 880 XP, 22 days.