The image is a photograph of a display board with information about the Packard V-1650 Merlin aircraft. The board is blue in color and has a white background. On the left side of the board, there is a list of specifications for the aircraft, including the type, power rating, dry weight, displacement, and cost. 

On the right side, there are two images of the aircraft - one is a P-51 Mustang, which is a twin-engine, single-seat, and twin-engined fighter aircraft. It has a yellow and black color scheme and is displayed on a white surface.

The text on the board explains that the aircraft was the U.S. version of the British Royal Air Force's V-1750 Merlin engine, which was the first of its kind to be built in the United States. The aircraft was manufactured in the early 20th century and was used by the British Air Force during World War II. It also includes information about its specifications, such as its size, weight, and other specifications.