Jerseys worn by Michael Jordan and Kobe Bryant in the first NBA games of their careers are expected to sell for millions of dollars when they go up for auction this spring.

Michael Jordan and Kobe Bryant's first ever NBA jerseys are up for auction. Here's everything you need to know about the memorabilia.

Sotheby's is hosting its latest unique sports auction. The auction house unveiled on Thursday the sale of NBA legends Michael Jordan's and Kobe Bryant's first game-worn jerseys, from the former's time at the Chicago Bulls and the latter's at the Los Angeles Lakers.

As for Mamba ... Kob's jersey is from his regular-season debut on November 3, 1996, when the 18-year-old -- the youngest ever to play in an NBA game at the time -- donned the purple and gold Lakers uniform in a 91-86 win over the Timberwolves at the Forum in L.A.

Michael Jordan and Kobe Bryant are two of the most iconic players in NBA history, and fans will now have the opportunity to own pieces of history dating back to their respective rookie seasons. Sotheby's announced Thursday it will offer the first jerseys Jordan and Bryant wore in their careers via auction.

Sotheby’s is auctioning off Michael Jordan and Kobe Bryant rookie jerseys. The sale comes as rookie memorabilia sees a surge in popularity and pricing.