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- Most websites I ran across seem to say plexiglass... but note there may be some bias as these also tend to be websites that sell online and delivery of plexiglass is easier,
- My local framer The Art Forum recommended glass (he has both) as he feels plexiglass yellows over time - he's been in the business a long long time, so I went with Anti-UV, Anti Glare, extra clear glass.
- Use Used a mat to ensure the glass if lifted off the surface (only possible for smaller than 40" x 60" posters).
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