 He later played for the Army, but it was his eleven years spent with Harlequins that he was best known.In 1956 he was selected to play for invitational tourists the Barbarians, playing against the 1958 Australians and then travelled with the Barbarians on their tours to Canada and East Africa.1956 was also the year in which Marques was first selected to play for the England national team, facing Wales as part of the 1956 Five Nations Championship.