HS-121 Trident 2E Tail, G-AVFI c/n 2148 British European Airways at Farnborough Airshow 1968.
This aircraft was first flown on June 8, 1968, and delivered to BEA on November 28, 1968. On April 1, 1974 it was transferred to British Airways on merger of BOAC and BEA. It was withdrawn from use in September 1981 and scrapped in the following May.
Canadian Aviation Blog
Old Slide scan