Ok, L to R,
late Plastic D handle, Early alloy and wood handle D D marked, T handle Two types both D D marked, T handles were common Vietnam era.
Manufacturers were generally Cyclone and Tullochs Phoenix, Trojan. some were DD marked a lot of the late Plastic handle types were not.
Matics, Most NO.5 Hytest, some where marked DD again some werent, there is a short version as well.
Handles, generic, cyclone, krugers etc, hard to find the correct type these days.
