His experience of officiating between nations was limited mainly to friendly matches, which included East Germany's 2–0 win against Romania at the Stadion der Freundschaft on 21 September 1966,[1] and the 2–2 draw between the Republic of Ireland and Poland at Dalymount Park on 15 May 1968.

[2] He also handled games in the Home International competition of the time, such as Northern Ireland versus Scotland at Windsor Park, Belfast, on 18 April 1970.

[3] On 13 November 1968 he went to Amsterdam to referee Ajax versus Fenerbahçe in a European Cup second round tie,[4] but bettered this later that season on 13 April 1969 with a return to the Dutch club for its semi-final against Spartak Trnava.

[5] The following season (1969–70) was his last before retirement, and he was awarded the FA Cup Final between Chelsea and Leeds at Wembley on 11 April 1970 as the climax to his long and successful career.

[7] It was to be another seven years until the Final was given to a referee in his retirement season, when Bob Matthewson handled the Manchester United versus Liverpool game.