Today we look back on one of the many pin-back buttons made featuring Harvey characters. Here is a Jigidi puzzle of a button proclaiming love of the friendly ghost, Casper:

I Love Casper pin-back button

To 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