Collecting and Investing Tip #43: What are the early Marvel keys?
What kind of features should we demand of a principle Marvel key? This group of comics is one of the most important investing blocks in the hobby. People are buying up high grade Marvel keys as a group and you can’t really have one without any of the others and call yourself a true high end collector...
Read MoreCollecting and Investing Tip #43: What are the early Marvel keys?