Originally Posted by Pcampeau

Since you’re looking for the correct Reynolds 531 decal I thought you could use a visual guide. Just like yours, this is a 1973 Super Course. The red one came with tubular tires and was known as the TT model but really it’s the same bike. This is the remnant of the correct decal. So many different versions were made over the years it can be difficult to know which one you need. I’ve even seen some complete sets of Super Course decals for sale on line with the wrong Reynolds decal. I hope it’s complete enough to help.