Rather than plop different glass samples over a mat and risk breaking the glass, I refer to a display similar (I think) to the ones that you can get from TruVue.
I started with a small poster with a dark background over which there are strips of regular, non-glare, and AR. The piece is triple matted to exaggerate the fuzzy effect of the non-glare, and placed fairly near gallery spot lights to enhance the glare of the lights onto the pane of regular glass.
I framed it with an inexpensive metal moulding.
I don’t particularly like promoting brand-names (like TruVue, L-J, etc.) in our shop, so under each piece of glazing there is simply the legend, "Regular", "Non-glare", and "Anti-Reflective".