1974 Plymouth duster interior code

From http://www.hamtramck-historical.com/images/dealerships/colorAndTrim/1974/74_Valiant-Duster0008.jpg

Image of the A1 seat type also at http://www.hamtramck-historical.com/images/dealerships/colorAndTrim/1974/74_Valiant-Duster0009.jpg - top of the page, but shown in green.