I'm guessing that this was a publicity fotografia of Clint Eastwood from the studio. Could this be the be the beginning of film crossovers? Dirty Harry vs. The Good, the Bad and the Ugly? (image found at vintagepics.centerblog.net)
@Warner Bros. UK -Directed por Clint Eastwood and based on true events, “Richard Jewell” is a story of what happens when what is reported as fact obscures the truth. In cinemas January 31, 2020.