UPDATES:
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Bethesda twitter posted this:
https://twitter.com/Bethblog/status/331408513068847105/photo/1
The new image with the codename #1960
this is a bigger version..
the last one..
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Bethesda twitter posted this:
https://twitter.com/Bethblog/status/331408513068847105/photo/1
Bethesda Twitter said:this morning's tease is not related to anything @BGS_Devs is working on
Bethesda Twitter said:tease continues @gamespot within the hour