When I first posted about Pop Culture Pin Trading Co., Inc., I mentioned that they made a couple of Richie Rich pins, including one of a cover I am fond of, Richie Rich # 17. Using the Internet Archive Wayback Machine, I was able to find a picture of it:
Pop Culture Pin Trading Company
Here are the Jigidi puzzles of the two convention-exclusive pins from the 2008 and 2009 Mid-Ohio Con:
Casper pinHot Stuff pinTo see all of the Harvey Mercheum puzzles, use the “New Puzzle” post category on this website:
New Puzzle
or visit the HMCurator creator page on Jigidi:
Jigsaw puzzles by HMCurator