Very Old Photograph of Cowboy and Sioux Chief

Generate a very old photograph in shades of black and white. The photo is dull, very degraded, with scratches, creases, smudges and dirt. The photo is ultra-realistic and very detailed. It's a photograph of and American cowboy and a sioux Chief . They are standing side by side, with their hands on each other's shoulders, posing for the camera. They are in the foreground. Dust in the air and smoke.