This should be in Safety Razors, not Straight Razors... Pic 1, left to right... Gillette Single Ring old type or a clone of one - swap the handles on the 2nd and 3rd razor and you'll have a 1930s/40s Gillette NEW and a 1930s Gillette Goodwill with the neat ornate reverse studs. Pic 2, left to right... 1950s Gillette red tip flare tip Super Speed, 1960s Gillette Tech looking to be one of the Made in England models, 1940s-style Gillette Super Speed, fat handle Gillette Tech