Astgfjwepmf is not Duping them a little less crying and a bit of searchng the name on AH shows he Buys them from other servers and sells them there not to tuff to figure out with some research
Asura.AstgfjwepmfSource: GuildworkPM 720,000 606 Port Jeuno about 13 hours ago
This is the fourth or fifth bang-head-on-keyboard name selling hundreds of medals in the last week or so.
Either there is a new dupe, or the POS's that stashed medals from prior dupes have stopped using them to undercut legitimate crafters and are unloading them now.