1978 - 1979 to 1999 - 2000 - Known as "C2" Grade 2000 - 2001 to 2001 - 2002 - Known as "F" Grade 2002 - 2003 to 2006 - 2007 - Known as Les Kemp Shield 2007 - 2008 to 2018 - 2019 - Known as Les Kemp Shield - "D" Grade 2019 - 2020 - Known as Les Kemp Shield - "E" Grade |