Desecrated Pauldrons

Desecrated Pauldrons 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 Pauldrons
 * Bonescythe Pauldrons

Source
This item dropped from Patchwerk, Grobbulus, and Gluth in the original version of Naxxramas.