Monumental Tapestry

Acquisition
Tapestries are given as rewards for completing certain plot points in the Eye of the North storyline.
 * Talk to Gwen after the first vision in Hall of Monuments
 * Talk to Mamp in Rata Sum when completing quest The Knowledgeable Asura
 * Talk to Captain Langmar in Grothmar Wardowns when completing quest The Missing Vanguard
 * Talk to King Jalis Ironhammer in the Battledepths when completing quest Northern Allies

Usage
Each single tapestry will unlock, for use, a single monument in the Hall of Monuments. There are 4 Monumental Tapestries available as rewards; there are 4 monuments requiring tapestries in the Hall of Monuments.