(right) under (one's) (very) nose
1. In a place easy to see or find. I've been looking all over for that invitation, and it was right under my nose the whole time!
2. When one is physically present. I can't believe that one of my employees was falsifying records right under my nose.
under one's nose
Right there, in plain view, as in Your keys are on the table, right under your nose. This expression is generally a reminder that something one cannot find is actually there. [c. 1600]