Originally Posted by
ColonelJLloyd
I belive 531c is the same as 531just. It could be an '83 model, but it was assembled on the 270th day of 1982 if your headbadge number is correct.
Yes, 531C was the new name for "regular" 531. The bike is from right around the time Reynolds changed the decal types, plus decal stocks deplete at different rates, accumulate in odd drawers, etc. It's the same "stuff."