Number group Earliest date known Front design Designator ------------------------------------------------------------------------------------ 43,000,001 March 2007 Handy Hints T-d1 to T-d4 to 43,100,000 43,100,001 May 2007 Handy Hints T-d1 to T-d4 to 43,200,000 43,200,001 April 2007 Handy Hints T-d1 to T-d4 to 43,300,000 43,300,001 April 2007 Handy Hints T-d1 to T-d4 to 43,400,000 43,400,001 April 2007 Handy Hints T-d1 to T-d4 to 43,500,000 43,500,001 April 2007 Handy Hints T-d1 to T-d4 to 43,600,000 43,600,001 June 2007 Handy Hints T-d1 to T-d4 to 43,700,000 43,700,001 November 2007 Handy Hints T-d1 to T-d4 to 43,800,000 43,800,001 August 2007 Handy Hints T-d1 to T-d4 to 43,900,000 43,900,001 August 2007 ? Handy Hints T-c1 to T-c4 to 44,000,000