I am confident the letters in discussion are sidewall colors. There are 3 designations that show up across the 1969 LR production:

X = Continue reading the thread, multiple epiphanies have occurred as this thread evolved - Edit 1/25/22
W = White Wall
R or RED = Red Wall

And the attached one oddity which is F70 B. Further discussion and discovery is below, please read on.

D

69_LR_311602_WM21_E63_TRUNK MARKING.jpg
Last edited by Big D A12; 01/25/22 02:11 PM.

Seeking 1969 Lynch Road fender tags/Build Sheets/Window Stickers/VIN - Over 2300 so far thanks to you!!
2018 Demon Challenger PY4 A8 Black Hood
2017 Jeep Trail Hawk
2016 Hellcat Challenger PCP A8
1969.5 A12 Super Bee WM21 V1H F6 D21
1969 Coronet RT B5 D32 M46 N96