I found these two codes on the same map.
Using the following link


Can anyone tell me the date of this map? I'm just confused as to which letter to use from the codes. The "L", the "O" or the "M"??

s-l1600 (1).jpg


Edited by Steven C. (Mon Sep 18 2017 11:13 AM)
Steve Coppens
Always interested in Sunoco items!
Really want a Sunoco National pump ad glass!!