The history of the Iron Throne may be more prestigious than we ever knew.
The thread led to darknogra and Elio_Garcia also pointing out possible replicas of Robin of Locksley’s blade and a sword from Ridley Scott’s Crusade era film, Kingdom of Heaven. HitFix did some legwork and found the weapons in question right next to the alleged Glamdring.
It’s possible that these are Easter eggs planted for fantasy and medieval film fans’ pleasure. It’s also possible, considering that this is the show that unwittingly impaled George W. Bush’s head on a stick, that they just used whatever resources happened to be lying around.
Either way, it’s a pretty neat little discovery for genre fans.