These are the markings that were on the Mk1 windscreen I had experience with during a restoration a few years ago.
The picture is taken from the outside of the windscreen. If it was attached to the car you would be looking into the interior of the car.
I can only offer what I know about the markings on an original windscreen, not which one to use.
The original windscreen I had experience with had 'Triplex Laminated' around a circle with three x's on it smack dab in the center of the windscreen above the rearview mirror. It was from a Mk1.
I know this is a very long shot but I am after a set of Mk1 Goodyear road car tires.
The fronts are Goodyear 7004, 5.50-15. The rears are Goodyear 7005, 7.00-15.
I know the possibility of these just knocking around in someones garage/storage is very, very thin.
I've attached a picture of a...