Michelle considered.  "Well, you can roll to see if you spot whatever it was that tapped your shoulder, if you want.  Otherwise, though, there's nothing immediately obvious, and it's a pretty packed room, so..."  She shrugs a little bit.  "Anyway, the bartender, a gruff old man with a bad kind of attitude, he goes about his way pouring a pint for you while you peel open the envelope.  It's sealed with wax, but the wax isn't marked, and it's not too hard to open, just a little bit of fiddling to break the wax without tearing the paper."<br/><br/>She shuffled more things around behind her divider, and then stopped abruptly.  "So, do you want to make your roll to see if you noticed who was after you, or do you want to find what's in the envelope?  Or something else?"<br/><br/>Another opportunity for a villainous laugh that she just had to keep down...!