Fiorani, Sam, "1977-79 Ford LTD II: It's Not Easy Being Number Two", Publication International, LTD., Volume 40, Number 5, February 2024, page 24

Here are these 1979 version I was able to pick out:
https://imcdb.org/vehicle.php?id=632135
https://imcdb.org/vehicle.php?id=589631
https://imcdb.org/vehicle.php?id=34714