BOAC Airline 1975 hallmarked 9 carat gold pin badge

A fine quality 'British Overseas Airways Corporation gold cravat pin', miniature example bearing a rhodium plated griffin on torse within an oak leaf wreath, surmounted by an astral crown,the reverse impressed with Birmingham 9 carat gold hallmarks for 1975 and maker's details "M.P". Very good condition, retaining original spiral turned pin fitting and complete with unused associated velvet lined leather presentation case.
Height of badge 13mm.
Height overall with pin 42mm.

British Overseas Airways Corporation was formed in 1939, BOAC and BEA merged in 1974 to form British Airways.