The ads that ran in comic books in 1979 had the same font as the original movie credits:
http://media.aintitcool.com/media/uploads/2013/merrick/sttmp_poster_large.jpghttp://trekkerscrapbook.files.wordpress.com/2013/03/v2-05a.jpg
That's the Mike Minor artwork "version" of the Phase II model. I've always liked that design & wish they'd gone that way in the movie.