Marc... I would agree with you on the types and IMO they are both original. Type 1 grips are an exact copy of the HK coarse brown grips and I believe made in the same molds just a different color.
My guess would be someone painted them to make them look the same although in one of your very good pictures seems to show the brown color of the L/H grip.
If they were mine I would probably try to remove the paint.
Attaching picture of Type 1 on left and coarse brown HK on the right.
If you decide to sell them, I would be interested but really don't know what kind of $$$ value to put on them....
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dave
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