I waited awhile for others to have a shot at it. But, since none have posted an answer....
This is the SBB, also designated as the SBB/B and SBB/B-1. It offered better performance than the Pe-2, but was cancelled shortly after the German invasion for reasons that I am not aware of.
My regards,
Widewing
[This message has been edited by Widewing (edited 03-16-2001).]