Rich-can you explain your comment about 1981-1986? I'm not challenging, just curious. I wonder if production of those years was significantly higher than it was during, say, 1975-1980, or if more people were becoming aware during that era of the importance of keeping unopened product (and keeping their cards in good shape). The second explanation would inform the reality that a box of 1982 is easier and much cheaper to source than one of 1978. If all other things are equal, it is hard to say that a span of 4 years totally explains the 500% or so disparity in the price of unopened product.
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