Glass?--Standard or non-glare

I had a couple prints that I sold customed framed with non glare glass. While they look very nice the non glare glass seemed to take away some clarity from the picture. What type of glass works best?

I don't have an answer, but I would expect the type of paper you printed on would have an effect on how things look. Was your photo printed on glossy or matte paper?

In my experience with a local framer, the anti-glare glass resulted in much better contrast with dark areas looking dark and not washed out due to reflected light.

It is however much more expensive if that is a contributory factor.

Anti glare is good if you are in a high glare area.
Standard is good if you are in a low glare area.
Glass-less works in both areas.

Non-glare glass tends to have a matte finish not unlike a ground glass focus screen, this isn't a problem if the glass is flush with the surface of the print, but if there is distance between the print and glass, the image will get soft due to diffusion.

Museum glass is the best of both worlds, but rather expensive...