Those are not papal vestments. That’s a Cardinal.
And it doesn’t look like Pacelli...I think it’s Cesare Orsenigo, who was nuncio to Germany and was never Pope.
http://en.wikipedia.org/wiki/File:Bundesarchiv_Bild_183-H26878,_Berlin,_Neujahrsempfang_in_der_neuen_Reichskanzlei.jpg
Nice try though.