An exceptionally nice condition, looks unissued Avon Ambulance Service cap badge from 1974 to the early 1980's period. The badge is a one piece enamel cap badge with both cap fixing lugs attached to the rear of the cap badge. 
Avon Ambulance Service was formed in 1974 when all previous county borough ambulance services were merged into county ambulance services and the former Bath City Ambulance Service was disbanded after forming in 1968. 
Ambulance Services in the U.K formed after WW2 when an act of parliament was passed , The National Health Services Act 1946 which was set up to provide a health service to the whole of the U.K. It came into being on 5th July 1948 & lasted until it was replaced by The National Health Services Act 1977 !!
Initially ambulance staff were volunteers, The Milar Report of 1964 changed that, making a recommendation that patients be treated en route to hospital. Training Schools were set up & recruits were trained in basic 1st Aid & other extended skills in the use of oxygen, Entonox etc, the cap badge they wore was a laurel leaf!
In 1974 the ambulance services transferred to The N.H.S & the retro cap badges of 1974 replaced the earlier badges. These were again replaced in the late 1980’s & 90’s to the laurel wreath with the Q.C, these badges being mainly gilt enameled & termed as “ modern cap badge!