Wyvern 1845, when it became the crest of its unofficial coat of arms. The company asserted that the "wyvern was the standard of the Kingdom of Mercia", and that it was "a quartering in the town arms of Leicester". However, in 1897 the "Railway Magazine" noted that there appeared "to be no foundation that the wyvern was associated with the Kingdom of Mercia". A green Wyvern stands in the emblem of the ancient and historical umbrian city of Terni, the dragon is called by the citizens with the name of Thyrus. Sable wyvern on a white background with endorsed wings forms
Vauxhall Wyvern new body. 5313 were made. After only six months production of the rebodied Wyvern the car received, in April 1952, Vauxhall's new short stroke 1508 cc four-cylinder engine. Along with its six -cylinder Velox version, the new engine had a bore of 79.3mm and a stroke of 76.2mm, identical measurements (and therefore capacity) as the rival Ford Consul/Zephyr engines introduced two years previously. With a power output of 45 bhp at 4,000rpm, maximum speed rose to . More performance was available from the six-cylinder Vauxhall Velox and (from 1954) Cresta versions. The EIX series Wyvern received a new bonnet and