Raw 1970 Kelloggs Cards?
Just discovered this set, so a rookie question... I collect my sets raw. I don't even put them in pages or CardSavers, just stack them in an appropriately sized box so that they're easy to handle, like the old days. Assuming that none of the 1970 Kelloggs cards is cracked to begin with, can they be stored safely like this, or would they be more likely to curl?
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