2003 Champions World Series matches saw Celtic play Manchester United and Boca Juniors, both matches in America. Three badges were issued all for the match v Man Utd.
2004 series saw Celtic play 4 matches. Roma in Canada, Manchester United, Liverpool and Chelsea in America. Twenty badges were issued.
2006 saw thee matches. So far only one badge. It was sold at stadium before DC United v Celtic.
2007. Celtic returned to the USA and played 2 matches. MLS all Star and Chicago Fire were the opposition.
2010 Celtic returned to USA & Canada to play 4 matches. Philadelphia Union, Manchester United (in Toronto), Seattle Sounders and Sporting Lisbon (in Boston).