I just got back from a 35 day rotation at work and my grapes are huge. I probably picked them a little early and the areas with less sunlight were smaller. Put a pen down for size comparison since I didn't have a coin. I think they're muscadine supremes, the debatable best one you can have.
http://www.newser.com/story/253418/car-that-carried-a-standing-hitler-to-be-sold.html