A trio of International Olympic Committee Session badges from the 1980s, including a rare badge for the 86th session, New Dehli, 1983, inscribed MEDIA

A trio of International Olympic Committee Session badges from the 1980s, including a rare badge for the 86th session, New Dehli, 1983, inscribed MEDIA; the others comprising 89th session, Lausanne, 1984, inscribed INVITE; and 93rd session, Calgary, 1988