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
Vincent Black Shadow Touring specification, and a sidecar could be fitted on either side of the bike. The Series B and C machines do not carry any indication of the model name in their transfers, lining or badges. Beginning in 1955 on the Series D Black Shadow the figure of Mercury is joined by transfer text reading "Black Shadow". The rear suspension of the Black Shadow is a cantilever system, with a rear frame member (RFM) of two parallel upright triangular members pivoting from heavy plates on the back of the transmission case at the bottom and attached at the top to two