Here is a list of Aluminum models made by SC in 1968. Never heard of the StarTrek! lol or Pram! Also found a cool ad for the StarChief model (which I am currently obsessed with!)
Chieftain-V,
Islander-V,
Starchief-V,
Holiday-V,
Jupiter-V,
Sprint-V,
Super Sport-V,
Mariner-V,
Star Trek-V...