Desecrated Sandals

Desecrated Sandals 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:
 * Sandals of Faith
 * Frostfire Sandals
 * Plagueheart Sandals

Source
This item dropped from Instructor Razuvious, Gothik the Harvester, and Gluth in the original version of Naxxramas.