Multiply the average price for the average CGC grade by the number of CGC graded copies and you get CGCAMC – a simple calculation that allows any two comics to be compared on roughly equal footing. Looking back five and ten years, it’s possible to see trends in the market and fascinating to see comic books from the 1980s compete head-to-head against comics from the 1930s. Enjoy multiple Top 25 lists in this month’s article with all the calculations done for you.
Read the complete article on GPAnalysis.com here.