First, check what they’re worth, in case you do have a key buried there. You can look to books like the annual "Overstreet Price Guide," apps such as CLZ Comics or HipComic’s My Collection or ...
Sonic the Hedgehog has had a great run of video games and live-action movies recently, but some of the Blue Blur's best adventures can be found in IDW Publishing's long-running comic book series.
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