The Kansas quarter features the image of a bison, but in one weird state quarter error, the bison has a dent on its flank. It's unclear how this happened, but it's rare to find. If you happen to ...

In January 2017, Heritage Auctions sold a high-grade mint South Carolina state quarter for $3,525. As of May 2025, eBay sellers list this coin (in unspecified conditions) for anywhere from $299 to ...