I am by no means sure, but it looks kind of suspect because it matches up with the back. Have to loupe it to be sure. Let me also add that 707 is great and Levi has always treated me well. Fantabulous inventory, a little pricey, but always ready to deal.
You mention you have seen 4s with tack holes? Does a card with a tack hole technically fit the criteria for a 4? If so, I am surprised. Dave