Discussion in 'Coin Chat' started by pasasap2, Aug 22, 2019.
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@pasasap2 Everything changes over time and with all hobbies. Our world of coins seemed much easier for us old timers before the Sheldon system of grading came into being. It is the same for comic books and stamps and lunchboxes. A problem with slabbed coins is that they may have been graded properly at the time they were submitted but afterwards were subjected to poor storage conditions. Spots on coins can appear long after they are slabbed, especially cents and more so zinc based cents. Humidity can be a factor for this. All plastic that coins are in are permeable and subject to the conditions in which they are stored. I fear, that 20 years down the road, many people will wake up to some pretty ugly coins in plastic that they failed to safeguard by storing improperly.
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