I'm seeing a lot of white at the chipped & scratched areas, so it could be a respray over L80E Light Ivory, otherwise it could also be paint to another Porsche color or paint to sample (98 or 99) if the red is original.
Check the Karmann plate in the front driver door jamb - lower box is paint code.
The top box is chassis no. from which you can get day of manufacture with the VIN sticker date. Use the VIN sticker from the rear driver door jamb to determine mfgr year, then get a calendar for that year & count weeks out to what the Chassis # says (start week #1 even if just one day in Sun-Sat). The Chassis # is also stamped in the rear floor of the rear trunk & should match Karmann plate.
Chassis # decoding:
XXVYYZZZ
XX = Week # in year - then count weeks on calendar to get to month.
V = day in work week M-F to get exact date/day completed/stamped.
YY = Karmann Plant code - if second digit is 6 then add 100 to car # in day
ZZZ = # car built/stamped that day
Hopefully you got the wheel info you wanted in your other post. Since I now know it is a 75, the factory wheel choioces would've been either the late "star style" mag look steel wheel version painted silver, or either the Mahle "Baby Gas Burner" magnesium alloy, or the Fuchs "2-Liter" aluminum alloy wheels. Either your window sticker or dealer bill of sale (new car) or a COA from Porsche/PCNA will tell you what the options were on it, including original wheel type. Those Western/Gurney wheels were period correct options, if you like them.
Cheers!
Tom
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