The tire pictured just above yours is what the Firestone wide ovals looked like in 69. The style you have is from a later production year. Its the style of the lettering everyone cars about, no one really cares about the tire construction, and if someone made a correctly lettered radial version of the tires they would probably make a killing on them. I've got the dreaded Polyglas tires on my car and while they look period correct they suck to drive on. They catch every bump, crack and crease on a road. It's hard to beleive that these cars were everyday drivers when new. If people were driving them today half the population would be stuck in ditches.