Vincent Black Knight Prince. For anyone other than a knowledgeable Vincent enthusiast, they would not notice the difference as externally, both models are nearly identical. The most readily noticeable difference is in the emblem on the front and rear fenders/wheel covers, and on the "dashboard". The emblem consists of a Vincent scroll, with the model name (Black Knight or Black Prince) below the scroll and a graphic just above the scroll. For the Black Knight, the graphic is an axe; for the Black Prince, the graphic is a helmet. Vincent Black Knight The Vincent Black Knight is a British motorcycle made between 1954
HMS Black Prince (81) the modernisation had to be cancelled, and "Black Prince" was placed in reserve until 1953. She returned to service after refitting with simplified secondary armament with a single quad pom pom in Q position and 8 x 1 Mk3 40mm electric Bofors guns. The ship was decommissioned again two years later, and returned to the Royal Navy in 1961. "Black Prince" did not re-enter service, and was towed from Auckland to the Osaka breakage yards for scrapping in 1962. "Black Prince" was a modified "Dido" design, sometimes called "Dido" Group 2, or the "Bellona" subgroup with only four 5.25-inch mounts