There was a ball end lever with a -59 part number aimed at use for racing. 41-64 had the flat blade levers, and the 'new' ball end levers started in 65. I was suprised to find the trademark 'R' on an old set of Dou-Glide name plates dating from the 70s. These plates also had the numbers and symbols on the back side.
VPH-D
VPH-D
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