Well you know how it goes, Colonel. Someone, somewhere types in something and posts it to the internet and it immediately becomes "fact!" I think that same reference also indicated that 1981 was the only year the Professional came in that particular blue color. So if that is the case, you and I are probably just imagining that the 1984 model you've posted is the same color!

So is the lettering gone from the down tube on that bike? And I can't tell from the glare - does it have the scripted "Professional" on the top tube?