A Cambridgeshire Fire & Rescue Service oblong cloth breast badge. Cambridgeshire Fire & Rescue Service came into being in 1974 after the Fire Services Act amalgamated all smaller county borough & town fire brigades into County Brigades !  
Former brigades amalgamated including those from 1948 were Huntingdon County Fire Brigade 1948 to 1965, Huntingdon & Peterborough Fire Brigade 1965 to 1974, Cambridgeshire Fire Brigade 1948 to 1965,  Isle of Ely Fire Service 1948 to 1965 & Cambridgeshire & Isle Of Ely Fire Service 1965 to 1974 !
This oblong badge is from the 1980's & 1990's period.