Rapier Of Puncturing

The material below is Open Game Content from a 3PP Source

Rapier of Puncturing
Aura strong necromancy; CL 13th
Slot none; Price 50,320 gp; Weight 2 lbs.
DESCRIPTION
Three times per day, this +2 wounding rapier allows the wielder to make a touch attack with the weapon that deals 1d6 points of Constitution damage by draining blood. Creatures immune to critical hits are immune to the Constitution damage dealt by this weapon.
Construction
Requirements Craft Magic Arms and Armor, harm; Cost 25,320 gp