Originally Posted by BC38

The wooden ones you posted pictures of will be about 3/16" too narrow (measured front to back along the bottom of the grip) and too short by about the same amount (measured from the top of the horn to the bottom heel of the grip frame).

The ones you have on there look like they might be period correct Franzite grips. Not factory original, but at least from the same time period. They are probably worth 25-30 bucks to someone who likes and collects the early plastic grips. Not a lot, but at least a few bucks.