I have no experience in soaking, but would leave these alone. They are incredibly thin and brittle on their own as it is. In fact, when I insert them in plastic pages, I first slide a thin cardboard backing into the page and then carefully add the R310 onto that and let it ride into the page-- no need to see the blank back. I can barely imagine one of these surviving a soak, and even less so believing it would display without noticeable damage or warping. Frankly, these are so delicate I am convinced they are damaged if you even use harsh language in their presence.
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If we are to have another contest in the near future of our national existence, I predict that the dividing line will not be Mason and Dixon's but between patriotism and intelligence on the one side, and superstition, ambition and ignorance on the other. - Ulysses S. Grant, military commander, 18th US President.
Last edited by nolemmings; 02-14-2023 at 06:11 PM.
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