Thanks Rick.
I ordered an roll of similar clear uv glass film here in the UK. It wasn't very expensive so I thought I'd give it a try.
Glass already blocks UVB so it's only UVA that need to be addressed. I bought some UVA testers and it seems like the film works.
Considering collector's fears of sunlight on our cards and memorabilia, I'm surprised that there hasn't been more focus on ways of filtering UV light before it enters our card rooms.
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Working on the following sets: 1916 and 1917 Zeenut, 1954B, 1955B, 1971T and 1972T
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