Some consider the 2009 National Treasures Stephen Curry RPA the best card of the Panini era. And many believe it'll only grow in importance as the years move on. High-end basketball collector @exquisitesportscollectibles joins Adam Gray to discuss his take on the card and its spot at #26.

Don't be fooled by the smile on his face... Walter Payton was one of the fiercest competitors to ever play the game.  @yamxwax joins the countdown to discuss his legacy and iconic 1976 Topps rookie card.

The 1948 Bowman George Mikan arrives on the countdown at #28, which is significantly lower than where @sportscardinvestor's Tyler Nethercott had it. He joins Adam Gray to discuss why he believes it's one of the most critically important cards in the hobby.

Another day, another iconic vintage baseball card. @sportscardpete is back to deliver his thoughts on the 1951 Bowman Willie Mays and its ranking at #29 on the Iconic 100 list.

On the day he begins his 20th season, King James makes another appearance on the #Iconic100 countdown with his 2003 Topps Chrome RC. Here to discuss the card and its spot on the list is @charger21_.

The 1952 Topps Willie Mays is often overshadowed by the Mantle from the same set, but despite that, there's no denying just how recognizable and iconic the card is in its own right. High-end collector @mc_sportscards joins the countdown to give his thoughts.

Tom Brady, an iconic pose and CHROME. Legendary status. But is #32 the right spot for this TB12 rookie card? @mikebevceltics checks back in to give thoughts.

Dr. J's first appearance on the Iconic 100 countdown comes at #33 courtesy of his 1972 Topps rookie card, but Sports Card Investor's Tyler Nethercott isn't buying its ranking.

Another tall boy card lands on the countdown - and this time it's one of the most important football cards of all time. Listen in as @croatiantwins and Adam Gray discuss the 1965 Topps Joe Namath rookie card.

The 1997 Metal Universe Kobe Bryant arrives at #35 on the countdown, but @charger21_ had it MUCH higher... in fact, it landed in his personal Top 10. Whose side are you on - the voter's or Justin's?