L1XX (1971)

L1XX shown on the page at http://www.hamtramck-historical.com/images/dealerships/colorAndTrim/1971/71_Valiant_Duster0003.jpg

TX8 is your upper door frame paint code. (less gloss than TX9)
thank you. I suspected that interior but being an "A" body, there never has been much info till lately