So, since the new patch I'm getting a lot of currency information.
1. If I hover the mouse over my currency:
http://gyazo.com/a24d368ef9608c0173bfd14a9119ec3c
2. Every time I get some sort of currency :
http://gyazo.com/72363fb6aeb262e5f818c85a794f9b93
Sorry if this already have been reported. Couldn't find it anywhere, so.. Yeah.
It does not leave anything in the bugsack, so it's most likely just a hidden print.