Joey Dunlop and Freddie Spencer signed 1981 Transatlantc Trophy Challenge programme, the three-event America v. Britain Series souvenir programme also

Joey Dunlop and Freddie Spencer signed 1981 Transatlantc Trophy Challenge programme, the three-event America v. Britain Series souvenir programme also autographed by Richard Schlacter, John Long, Ron Haslam and Roger Marshall, with original scorecard completed for all three rounds (2)