Thing is, the few early July SPD original cars I've seen did not have the slots.
Does this car have the 71 or 72 style jack hook? Does it have the small bracket that attaches the top of the front bumper to the header panel support? These many times are missing if the bumper was switched out.

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addict:to devote or surrender (oneself) to something habitually or obsessively ....hmmmm