Desecrated Waistguard

Desecrated Waistguard is a tier 3 armor token. It can be exchanged along with various items at various NPCs at Light's Hope Chapel for the following items:
 * Dreadnaught Waistguard
 * Bonescythe Waistguard

Source
This item dropped from Noth the Plaguebringer, Heigan the Unclean, and Gluth in the original version of Naxxramas.