Why do the Chiefs have a check from Vince Lombardi on display

The story behind a 1962 payoff to the Dallas TexansCliff Christl

Adam from Bellevue, WI

The attached photo, taken by me and my fiancee, a Chiefs fan, on a recent trip to Kansas City, was on display on the Lamar Hunt History Wall in the Founders Club in Arrowhead Stadium. Do you know why the Dallas Texans (now the Kansas City Chiefs) would have received a check in 1962 signed by Vince Lombardi?