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Posted 01/24/2018 9:52 pm
Cardboard also is hit or miss based on the chemical composition of the paper.
By way of comparison, this 1984-D Jefferson nickel was put into a blue Whitman folder (by me!) when new, and I did not remove it and put it into a 2x2 until 2016. The toning is a light but noticeable bluish gold, more easily seen at the lower reverse.
A 1966 LMC from a Meghrig slide album, put there in 1966 (not by me!) -- this is what happened to the reverse after 50 years of cardboard on the back and plastic slide on the front. The reverse peripheral toning is pretty, but it ruined the center of the coin IMO.
By way of comparison, this 1984-D Jefferson nickel was put into a blue Whitman folder (by me!) when new, and I did not remove it and put it into a 2x2 until 2016. The toning is a light but noticeable bluish gold, more easily seen at the lower reverse.
A 1966 LMC from a Meghrig slide album, put there in 1966 (not by me!) -- this is what happened to the reverse after 50 years of cardboard on the back and plastic slide on the front. The reverse peripheral toning is pretty, but it ruined the center of the coin IMO.
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"Most of the things worth doing in the world had been declared impossible before they were done." -- Louis D. Brandeis
"Most of the things worth doing in the world had been declared impossible before they were done." -- Louis D. Brandeis
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