Agreed, my '69 Cobra Fairlane has tires I bought in '92, always garaged the side walls could pass for a new tire... Those tires replaced a set I bought in '78...
Looking at the picture of the odometer it looks more like it's flipping over to 15. The tenth mile digit is a 9 so it's transitioning. From what I see I believe it to be original miles, not enough wear on the consumables.