Early GR70x15 Firestone 500 wanted

[njsteve]

This is for the 18,000 mile SD Formula I just picked up. It has three of the five original tires still with the car. I need at least one more of the early style GR70x15 with the white "F" as shown below.

It looks like there were two different styles of the infamous Firestone 500 Radial in 1973.

My original spare and two of the unmounted tires are dated 18th week of 1973, confirming their original equipment status.

An NOS spare tire and honeycomb rim I have are dated 40th week of 1973, possibly a spare for the 1974 model year.

Note that the early 73 tire I need, has a white "F" logo and the later 73 tire has an embossed black "F" logo.

Anyone out there have an early "F" Firestone 500 or two they want to sell? These came on Corvettes, too so if anyone knows any Vette guys out there, please forward my request.