Ray, you found it! The 2nd pic in the lower left corner is it! The description of the product is what I have. So it's the "5 Star Series" by Meinke Model Engineering. The ad also shows the company is out of Orlando, Florida, which matches the postmark on the shipping box and newspaper packing inside. It's interesting to note that the "5 Star Series" also lists cores for most of the popular models of the day.

What I can conclude then, is that who ever owned the Top Flite Orion kit I have, bought a set of aftermarket wing and stab cores for the kit intending to use them instead of the kit built-up structures. Sounds logical to me.
Ray, thanks so much for the detective work! This forum is just awesome with the amount of built-in knowledge!

FB