Covert NWOT Red & White Baseball Hat

Adjustable SnapBack Snap Back Covert Auto Vehicles Buick, Chevrolet, Chrysler, Dodge, Ford, Ram, GMC, Jeep There is a small black mark on the back of the hat. (see photos) It looks like a pen mark it may come out with some scrubbing/washing. I haven't tried as this is a NWOT hat.