Think it's Deutsche Unicals from the mighty Dieter Steffmann.

http://moorstation.org/typoasis/designers/steffmann/samples/u/uncial_deu...

Actually no, the "S" isn't right - sorry.

Or Libra with a stroke?

http://www.myfonts.com/fonts/bitstream/libra/

Yes, Libra is more likely, as it is a very widespread font, having been bundled with many apps.