Using sunlight...wouldn't that just fade the entire card back? You'd still have stains, just lighter ones on a sun faded card.
I haven't seen them discussed here in a few years but there is a family that runs a business that does exactly what you are trying to accomplish. It's a very contentious issue which I'll leave others to debate but if you google 'gone with the stain' you should come up with their website.
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Last edited by commishbob; 08-14-2022 at 02:29 PM.
Reason: i suck at typing.
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