This image shows the traditional cattle branding process as practiced for more than a century in the United States. This appears to be just a demonstration as there is no red coloring on the iron nor is there smoke rising from the burnt hair and skin.
There is no description on the back of the card. The Bunkhouse may refer to one of several existing establishments, including a restaurant by this name in Rawlins. The card likely dates to the 1950s.