The image is a photograph of a sign that reads "VERTOL CH-21B WORKHORSE". The sign is rectangular in shape and has a red background with white text. The text is written in a bold font and is centered on the sign. Below the text, there is a list of specifications for the aircraft, including its size, weight, and performance. The specifications are written in smaller font size and are arranged in a table format.

The list includes details about the aircraft's specifications, such as its fuselage length, fuselage width, and engine size. It also mentions that the aircraft was manufactured by the United States Air Force in the early 20th century. The aircraft was powered by the American Air Force and was manufactured in the mid-20th century, as indicated by the text on the left side of the sign and the text at the bottom. The sign appears to be mounted on a wall or display case.