Vincent Black Shadow to the new specifications. The prototype Black Shadow had engine number F10AB/1B/558 in frame R2549, and was completed on 16 February 1948. The bike was road tested by Charles Markham in Motor Cycling May 1948, during which test the bike was reported to have reached . The Black Shadow was officially introduced at the 1948 Motorcycle Show at Earls Court in London. The Black Shadows were built with the same labour-intensive hand-fitting of bearings and major engine parts that Vincent had used prior to the war. Official records say that 1774 Vincent Black Shadows were made. Vincent also built 15
HMS Black Prince (1904) or surface ship was responsible for sinking "Black Prince". During the battle, the 1st Cruiser Squadron was deployed as part of a screening force several miles ahead of the main force of the Grand Fleet, but "Black Prince" lost contact with the rest of the Squadron as it came into contact with German forces, at about 17:42. Soon after, two other members of the 1st Cruiser Squadron, and , were heavily engaged by German battleships and battlecruisers, with "Defence" blowing up and "Warrior" receiving heavy damage, which later caused her to sink. There were no positive sightings of "Black Prince"