Matt is a delightful hybrid of the masculine and feminine and could work any angle; I do believe he was the only truly notable male model until the '90s.

I have the Sam Jones scans (including many other Playgirl and Playboy models and Penthouse) and I can go ahead and post them in a separate post, as he deserves the attention.

Did you ever see or hear of that ridiculous made-for-television '80s film about the male model starring Jon-Erik Hexum and Joan Collins? It was based off of Matt's life (except I believe he's gay, so that whole model-sleeping-with-manager subplot didn't apply). He dropped out of show business altogether after that film, and since he always invested wisely, was most likely able to retire.

Also, this flickr user's galleries are worth a look, as he has lots of scans from '70s magazines and truly has an eye for both male and female beauty:
http://www.flickr.com/photos/hillyblue/