¡Three Amigos! is a 1986 American Western comedy film directed by John Landis, written by Lorne Michaels, Steve Martin, and Randy Newman (who also wrote the film's songs), and starring Martin, Chevy Chase, Martin Short, Alfonso Arau, Tony Plana, Patrice Martinez, and Joe Mantegna. It is the story of three American silent film stars who are mistaken for real heroes by the suffering people of a small Mexican village. The actors must find a way to live up to their reputation and stop a malevolent group of bandits.
Lobby Cards are promotional photographs printed on cardstock paper. They were meant to be displayed in the massive lobbies of movie palaces before the film came out.
Lobby cards fall into the broad collectible category of 'paper ephemera'. Paper ephemera encompasses anything printed on paper and intended for the trashcan. And unlike a lot of ephemeral collectibles, Lobby Cards died out before the collector market really took off.
This means that the supply never had a chance to get over-saturated. Even genuine one sheet movie posters tend to be over-printed these days! This means that lobby cards remain highly collectible to this day.