I saw that, that's why I thought maybe it was for a spare tire or wheel since it was below the 71/72.
Most didn't show anything in 74 so figured it would be for standard spare/wheel.
Some of the 70 sheets (which looked like the 68/69 sheets) had the NG-5 or 4 digit numbers.
From that other link, it could just be an internal use thing.
But why would it be down there?
Possibly it's for how the spare tire mount in the trunk was welded on?
Or?
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John Wallace - johnta1
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