So, for anyone reading this who has gotten a double payment, the return address is 1BgPRMk4uaJrohM1T9Cn4Hd9pHaEL6FH5j
It would be better to return the coins without me having to chase you for them.
Just quoting his last post.
Happy Birthday James (Nefario) McCarthy, CEO of GLBSE the most (in)famous Bitcoin stock/bond exchange!