As we've highlighted in our Air Jordan Samples That Never Released series, more designs are scrapped than are actually released. The good news is that Jordan Brand tends to revisit old samples—a trend that's picked up in recent years. According to reports, the another sample which will actually be landing on shelves will be the "Motorsports" Air Jordan 4, which was created exclusively for Michael Jordan's Motorsports Team back in 2006, and have been listed on eBay for $30,000

Proof that one should never say never when it comes to Jordan Brand, here's 15 Air Jordan Samples that were once ultra-rare, but then eventually released to the public.