Michael Jordan's super-rare, game-worn, signed Bulls jersey from his rookie year in Chicago just hit the auction block ... and you guessed it, His Airness' uni top could bring in $500k!!
MJ -- who was drafted 3rd behind Hakeem Olajuwon and Sam Bowieud83dude2c -- rocked the red mesh size 42 Rawlings jersey multiple times during the 1984-1985 campaign ... where he averaged 28.2 points per game, led Chi-town to the playoffs, and won Rookie of the Year.
The jersey just hit Goldin Auctions block .