When Drops is at the diner talking to Sherri, Drops hands Sherri a business card with a note and the card changes positions in Sherri's hands in between shots going from her left hand to her right hand.
When Nick confronts Dale at the club about the GPS jamming device, Dale hands Nick the business card that Drops gave to Sherri. The writing on the business card changes from the flashbacks of Drops writing it to the writing on the card that Dale gives Nick.