According to whocollection.com, there is a large quantity of these which may have been printed long after 1967. "The colors are just a little bit off. The Julie Felix that is around has an olive green through gold coloration. The one shown in Ted Owens's book is yellow. That is a big problem. Of course one vendor says that they "were all printed during different print runs" etc. etc. That's true, they were created in a print run 35 years later. Hah. "