This product is a lot of three vintage advertising brochures from the 1950s that focus on the romance of the steel industry. These brochures likely showcase the industry's history, achievements, and innovations during that time period. They would be a valuable addition to any collection of advertising memorabilia or for someone interested in the steel industry's past. Each brochure would provide a unique window into the marketing strategies and aesthetics of the time, making them a unique and historical piece of advertising collectible.