[Billthedrill]

Left to right: Elisha Green, Wild Bill Hickok, Buffalo Bill Cody, Texas Jack Omohundro, and Eugene Overton.

The real deal, all right.

[Billthedrill]

...but I’m thinking that credit of Elisha Green might be in error...

[morphing libertarian]

Sir, you are a gentleman and a scholar

[Kirkwood]

Thanks! So this was likely taken when Hickok was touring with Cody’s show.

[donmeaker]

Hickok was in a gunfight with two men, each approaching him at two corners of an equilateral triangle with him at the third. He fired two revolvers simultaneously, and took them both down at once.