"An impressive medallion of the North-men. This will come in handy when trying to acquire new arms and armour. This can be exchanged with the vendors at Harndirion in Enedwaith."
You can also receive this item from the deeds:
Discoverer of Ost Dunhoth
Discovery: Northcotton Farm
Discovery: Stoneheight
Savior of Stoneheight
In Your Presence
Ost Dunhoth: Champion of the Fortress of the Western Host
Ost Dunhoth: Corrupted Champions
Ost Dunhoth: Toes in the Water
Ost Dunhoth: Manifestations of Wounds and Fears -- Tier 2
Ost Dunhoth: The Power of Gortheron
Ost Dunhoth: Sticky Sap
Ost Dunhoth: Face You Fears
Ost Dunhoth: Leader of the Pack
Ost Dunhoth: Ivar and Gortheron -- Tier 2
Ost Dunhoth: The Fall of Gortheron -- Tier 2
Ost Dunhoth: Manifestations of Disease and Posions -- Tier 1
Ost Dunhoth: Ivar and Gortheron -- Tier 1
Ost Dunhoth: Manifestations of Disease and Posions -- Tier 2
Ost Dunhoth: Manifestations of Wounds and Fears -- Tier 2
Ost Dunhoth: Manifestations of Wounds and Fears -- Tier 2
Ost Dunhoth: Manifestations of Wounds and Fears -- Tier 1
Ost Dunhoth: The Fall of Gortheron -- Tier 1
Ost Dunhoth: Ivar's Champions
Discoverer of Sari-surma
King of the Mountain
Frost Fight
Atop the Glacial Throne
You can win this item from the Lottery: Medallions of Middle-earth and/or Lottery of the Stalwart and/or Lottery of Rhovanion of which you can enter at http://my.lotro.com/home/lottery.
This item is also a drop from a boss mob's chest in the Ost Dunhoth.