Quote:
Originally Posted by RichardSimon
This is only a guess but it would not surprise me if it is just a cheap piece of plastic and certainly not with a UV filter Mike. I would think that if it was acid free and UV filtering they would have let the hobby know.
If I am correct then you are putting your pieces into acidic crap and down the road (it does take time) you will see results that will make you very unhappy.
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It doesn't take long for non-paper-friendly material to create visible negative results on your paper items.
I recently acquired an Ed Reulbach hand-written letter that was framed with a photo that someone had bought from the HOF, so I doubt it was more than 15-20 years old. The entire thing was matted and framed. When I removed it, the letter had the acid results all around it where the matt had been against it.
Even if the plastic doesn't effect the piece, I still remove them quickly - I prefer my items smelling like old paper, as opposed to fresh plastic chemicals.