I have two '38-'41 heavy handle Techs. I keep one with a blade and a small Rudy Vey badger brush in a tall pill bottle in my travel gear. My go-to set up for travel. Always there, always a dependable mild shave.
Yes on the triangle holes. As far as colors, they also had black handle with gold. I must stop there because that is the limit of my knowledge.The pre-war is the one with triangular holes and the fat handle, right? I'm thinking of pulling the trigger on Ebay. Looks like they came in gold as well as silver (nickel). Correct?