Rookie Card (RC)
A player's first officially licensed trading card issued during or after their first professional season. Marked with an "RC" logo since 2006. The most valuable card type for most players.
A rookie card is a player's first trading card from a major licensed release during or after their first year in the professional league. Since 2006, official rookie cards carry an "RC" shield logo on the front.
Before 2006, the definition was murkier — prospect cards, minor league cards, and cards from unlicensed sets all competed for "rookie card" status. The industry settled on the current standard where only cards from the player's first MLB/NFL/NBA season with the RC logo are considered true rookie cards.
Rookie cards are almost always a player's most valuable base card. For Hall of Famers and stars, the price gap between a rookie card and a second-year card can be 10-100x. Key examples: 1986 Fleer Michael Jordan #57, 2003 Topps Chrome LeBron James #111, 2000 Playoff Contenders Tom Brady #144.